525052553 has 4 divisors (see below), whose sum is σ = 526540308. Its totient is φ = 523564800.

The previous prime is 525052547. The next prime is 525052571. The reversal of 525052553 is 355250525.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 186786889 + 338265664 = 13667^2 + 18392^2 .

It is a cyclic number.

It is not a de Polignac number, because 525052553 - 2⁴ = 525052537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (525052543) 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, 743348 + ... + 744053.

It is an arithmetic number, because the mean of its divisors is an integer number (131635077).

Almost surely, 2^525052553 is an apocalyptic number.

It is an amenable number.

525052553 is a deficient number, since it is larger than the sum of its proper divisors (1487755).

525052553 is a wasteful number, since it uses less digits than its factorization.

525052553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1487754.

The product of its (nonzero) digits is 37500, while the sum is 32.

The square root of 525052553 is about 22914.0252465602. The cubic root of 525052553 is about 806.7412397382.

The spelling of 525052553 in words is "five hundred twenty-five million, fifty-two thousand, five hundred fifty-three".