725934635031 has 4 divisors (see below), whose sum is σ = 967912846712. Its totient is φ = 483956423352.

The previous prime is 725934635029. The next prime is 725934635039. The reversal of 725934635031 is 130536439527.

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

It is not a de Polignac number, because 725934635031 - 2¹ = 725934635029 is a prime.

It is a super-2 number, since 2×725934635031² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725934635039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120989105836 + ... + 120989105841.

It is an arithmetic number, because the mean of its divisors is an integer number (241978211678).

Almost surely, 2^725934635031 is an apocalyptic number.

725934635031 is a deficient number, since it is larger than the sum of its proper divisors (241978211681).

725934635031 is a wasteful number, since it uses less digits than its factorization.

725934635031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241978211680.

The product of its (nonzero) digits is 2041200, while the sum is 48.

The spelling of 725934635031 in words is "seven hundred twenty-five billion, nine hundred thirty-four million, six hundred thirty-five thousand, thirty-one".