525625204621 has 4 divisors (see below), whose sum is σ = 573409314144. Its totient is φ = 477841095100.

The previous prime is 525625204589. The next prime is 525625204627. The reversal of 525625204621 is 126402526525.

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 525625204621 - 2⁵ = 525625204589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525625204627) 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, 23892054745 + ... + 23892054766.

It is an arithmetic number, because the mean of its divisors is an integer number (143352328536).

Almost surely, 2^525625204621 is an apocalyptic number.

It is an amenable number.

525625204621 is a deficient number, since it is larger than the sum of its proper divisors (47784109523).

525625204621 is a wasteful number, since it uses less digits than its factorization.

525625204621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47784109522.

The product of its (nonzero) digits is 288000, while the sum is 40.

The spelling of 525625204621 in words is "five hundred twenty-five billion, six hundred twenty-five million, two hundred four thousand, six hundred twenty-one".