525042561 has 8 divisors (see below), whose sum is σ = 736901920. Its totient is φ = 331605792.

The previous prime is 525042527. The next prime is 525042563. The reversal of 525042561 is 165240525.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 525042561 - 2¹¹ = 525040513 is a prime.

It is a super-2 number, since 2×525042561² = 551339381722877442, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (525042563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4605580 + ... + 4605693.

It is an arithmetic number, because the mean of its divisors is an integer number (92112740).

Almost surely, 2^525042561 is an apocalyptic number.

It is an amenable number.

525042561 is a deficient number, since it is larger than the sum of its proper divisors (211859359).

525042561 is a wasteful number, since it uses less digits than its factorization.

525042561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9211295.

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 525042561 is about 22913.8072131193. The cubic root of 525042561 is about 806.7361221491.

The spelling of 525042561 in words is "five hundred twenty-five million, forty-two thousand, five hundred sixty-one".