725552005 has 8 divisors (see below), whose sum is σ = 870861600. Its totient is φ = 580308816.

The previous prime is 725551963. The next prime is 725552011. The reversal of 725552005 is 500255527.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 725552005 - 2⁷ = 725551877 is a prime.

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, 11886 + ... + 39904.

It is an arithmetic number, because the mean of its divisors is an integer number (108857700).

Almost surely, 2^725552005 is an apocalyptic number.

It is an amenable number.

725552005 is a deficient number, since it is larger than the sum of its proper divisors (145309595).

725552005 is a wasteful number, since it uses less digits than its factorization.

725552005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33203.

The product of its (nonzero) digits is 17500, while the sum is 31.

The square root of 725552005 is about 26936.0725607873. The cubic root of 725552005 is about 898.5788290567.

The spelling of 725552005 in words is "seven hundred twenty-five million, five hundred fifty-two thousand, five".