725515210 has 16 divisors (see below), whose sum is σ = 1492488576. Its totient is φ = 248748048.

The previous prime is 725515207. The next prime is 725515261. The reversal of 725515210 is 12515527.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 5182182 + ... + 5182321.

It is an arithmetic number, because the mean of its divisors is an integer number (93280536).

Almost surely, 2^725515210 is an apocalyptic number.

725515210 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

725515210 is an abundant number, since it is smaller than the sum of its proper divisors (766973366).

725515210 is a wasteful number, since it uses less digits than its factorization.

725515210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10364517.

The product of its (nonzero) digits is 3500, while the sum is 28.

The square root of 725515210 is about 26935.3895460972. The cubic root of 725515210 is about 898.5636388904.

The spelling of 725515210 in words is "seven hundred twenty-five million, five hundred fifteen thousand, two hundred ten".