725155005 has 32 divisors (see below), whose sum is σ = 1206432000. Its totient is φ = 371492352.

The previous prime is 725154977. The next prime is 725155019. The reversal of 725155005 is 500551527.

It is not a de Polignac number, because 725155005 - 2⁵ = 725154973 is a prime.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 82377 + ... + 90753.

It is an arithmetic number, because the mean of its divisors is an integer number (37701000).

Almost surely, 2^725155005 is an apocalyptic number.

It is an amenable number.

725155005 is a deficient number, since it is larger than the sum of its proper divisors (481276995).

725155005 is a wasteful number, since it uses less digits than its factorization.

725155005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8613.

The product of its (nonzero) digits is 8750, while the sum is 30.

The square root of 725155005 is about 26928.7022524295. The cubic root of 725155005 is about 898.4149074828.

The spelling of 725155005 in words is "seven hundred twenty-five million, one hundred fifty-five thousand, five".