525236245 has 4 divisors (see below), whose sum is σ = 630283500. Its totient is φ = 420188992.

The previous prime is 525236227. The next prime is 525236273. The reversal of 525236245 is 542632525.

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 189943524 + 335292721 = 13782^2 + 18311^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-525236245 is a prime.

It is a super-2 number, since 2×525236245² = 551746226123400050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 525236245.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52523620 + ... + 52523629.

It is an arithmetic number, because the mean of its divisors is an integer number (157570875).

Almost surely, 2^525236245 is an apocalyptic number.

It is an amenable number.

525236245 is a deficient number, since it is larger than the sum of its proper divisors (105047255).

525236245 is a wasteful number, since it uses less digits than its factorization.

525236245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105047254.

The product of its digits is 72000, while the sum is 34.

The square root of 525236245 is about 22918.0331834998. The cubic root of 525236245 is about 806.8353094540.

The spelling of 525236245 in words is "five hundred twenty-five million, two hundred thirty-six thousand, two hundred forty-five".