725425524527 has 4 divisors (see below), whose sum is σ = 791373299496. Its totient is φ = 659477749560.

The previous prime is 725425524521. The next prime is 725425524553.

725425524527 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 725425524527 - 2¹⁰ = 725425523503 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 (725425524521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32973887468 + ... + 32973887489.

It is an arithmetic number, because the mean of its divisors is an integer number (197843324874).

Almost surely, 2^725425524527 is an apocalyptic number.

725425524527 is a deficient number, since it is larger than the sum of its proper divisors (65947774969).

725425524527 is a wasteful number, since it uses less digits than its factorization.

725425524527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65947774968.

The product of its digits is 7840000, while the sum is 50.

The spelling of 725425524527 in words is "seven hundred twenty-five billion, four hundred twenty-five million, five hundred twenty-four thousand, five hundred twenty-seven".