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525380537 = 1147761867
BaseRepresentation
bin11111010100001…
…010101110111001
31100121121002121102
4133110022232321
52033444134122
6124044421145
716006442453
oct3724125671
91317532542
10525380537
1124a6221a0
12127b477b5
1384b00576
144dac12d3
15311cd492
hex1f50abb9

525380537 has 4 divisors (see below), whose sum is σ = 573142416. Its totient is φ = 477618660.

The previous prime is 525380521. The next prime is 525380539. The reversal of 525380537 is 735083525.

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 not a de Polignac number, because 525380537 - 24 = 525380521 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 525380537.

It is not an unprimeable number, because it can be changed into a prime (525380539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23880923 + ... + 23880944.

It is an arithmetic number, because the mean of its divisors is an integer number (143285604).

Almost surely, 2525380537 is an apocalyptic number.

It is an amenable number.

525380537 is a deficient number, since it is larger than the sum of its proper divisors (47761879).

525380537 is a wasteful number, since it uses less digits than its factorization.

525380537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47761878.

The product of its (nonzero) digits is 126000, while the sum is 38.

The square root of 525380537 is about 22921.1809687023. The cubic root of 525380537 is about 806.9091868265.

The spelling of 525380537 in words is "five hundred twenty-five million, three hundred eighty thousand, five hundred thirty-seven".

Divisors: 1 11 47761867 525380537