351506725 has 12 divisors (see below), whose sum is σ = 446006176. Its totient is φ = 274664880.

The previous prime is 351506699. The next prime is 351506789. The reversal of 351506725 is 527605153.

It is not a de Polignac number, because 351506725 - 2⁵ = 351506693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 162417 + ... + 164566.

Almost surely, 2^351506725 is an apocalyptic number.

It is an amenable number.

351506725 is a deficient number, since it is larger than the sum of its proper divisors (94499451).

351506725 is a wasteful number, since it uses less digits than its factorization.

351506725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327036 (or 327031 counting only the distinct ones).

The product of its (nonzero) digits is 31500, while the sum is 34.

The square root of 351506725 is about 18748.5126076710. The cubic root of 351506725 is about 705.7396961067.

The spelling of 351506725 in words is "three hundred fifty-one million, five hundred six thousand, seven hundred twenty-five".