725005534 has 16 divisors (see below), whose sum is σ = 1248814080. Its totient is φ = 312203160.

The previous prime is 725005493. The next prime is 725005549. The reversal of 725005534 is 435500527.

It is a junction number, because it is equal to n+sod(n) for n = 725005496 and 725005505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 866814 + ... + 867649.

It is an arithmetic number, because the mean of its divisors is an integer number (78050880).

Almost surely, 2^725005534 is an apocalyptic number.

725005534 is a deficient number, since it is larger than the sum of its proper divisors (523808546).

725005534 is a wasteful number, since it uses less digits than its factorization.

725005534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1734495.

The product of its (nonzero) digits is 21000, while the sum is 31.

The square root of 725005534 is about 26925.9267992766. The cubic root of 725005534 is about 898.3531753008.

The spelling of 725005534 in words is "seven hundred twenty-five million, five thousand, five hundred thirty-four".