725315513527 has 12 divisors (see below), whose sum is σ = 797704215448. Its totient is φ = 659000113200.

The previous prime is 725315513459. The next prime is 725315513539.

It is a happy number.

725315513527 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 725315513527 - 2⁷ = 725315513399 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 (725315513227) 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 11 ways as a sum of consecutive naturals, for example, 1504224 + ... + 1926997.

Almost surely, 2^725315513527 is an apocalyptic number.

725315513527 is a deficient number, since it is larger than the sum of its proper divisors (72388701921).

725315513527 is a wasteful number, since it uses less digits than its factorization.

725315513527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3432990 (or 3432979 counting only the distinct ones).

The product of its digits is 1102500, while the sum is 46.

The spelling of 725315513527 in words is "seven hundred twenty-five billion, three hundred fifteen million, five hundred thirteen thousand, five hundred twenty-seven".