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525512053 = 1147773823
BaseRepresentation
bin11111010100101…
…010110101110101
31100121211210000101
4133110222311311
52034012341203
6124051314101
716010531053
oct3724526565
91317753011
10525512053
1124a701a90
12127bab931
1384b483a1
144db171d3
153120741d
hex1f52ad75

525512053 has 4 divisors (see below), whose sum is σ = 573285888. Its totient is φ = 477738220.

The previous prime is 525512003. The next prime is 525512059. The reversal of 525512053 is 350215525.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-525512053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525512059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23886901 + ... + 23886922.

It is an arithmetic number, because the mean of its divisors is an integer number (143321472).

Almost surely, 2525512053 is an apocalyptic number.

It is an amenable number.

525512053 is a deficient number, since it is larger than the sum of its proper divisors (47773835).

525512053 is a wasteful number, since it uses less digits than its factorization.

525512053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47773834.

The product of its (nonzero) digits is 7500, while the sum is 28.

The square root of 525512053 is about 22924.0496640537. The cubic root of 525512053 is about 806.9765111165.

Adding to 525512053 its reverse (350215525), we get a palindrome (875727578).

It can be divided in two parts, 525 and 512053, that added together give a triangular number (512578 = T1012).

The spelling of 525512053 in words is "five hundred twenty-five million, five hundred twelve thousand, fifty-three".

Divisors: 1 11 47773823 525512053