525574057 has 4 divisors (see below), whose sum is σ = 556490196. Its totient is φ = 494657920.

The previous prime is 525574051. The next prime is 525574061. The reversal of 525574057 is 750475525.

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 254115481 + 271458576 = 15941^2 + 16476^2 .

It is a cyclic number.

It is not a de Polignac number, because 525574057 - 2¹⁹ = 525049769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (525574051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15458044 + ... + 15458077.

It is an arithmetic number, because the mean of its divisors is an integer number (139122549).

Almost surely, 2^525574057 is an apocalyptic number.

It is an amenable number.

525574057 is a deficient number, since it is larger than the sum of its proper divisors (30916139).

525574057 is a wasteful number, since it uses less digits than its factorization.

525574057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30916138.

The product of its (nonzero) digits is 245000, while the sum is 40.

The square root of 525574057 is about 22925.4020030184. The cubic root of 525574057 is about 807.0082476571.

The spelling of 525574057 in words is "five hundred twenty-five million, five hundred seventy-four thousand, fifty-seven".