351564730725 has 96 divisors (see below), whose sum is σ = 656837959680. Its totient is φ = 164626133760.

The previous prime is 351564730717. The next prime is 351564730733. The reversal of 351564730725 is 527037465153.

It is an interprime number because it is at equal distance from previous prime (351564730717) and next prime (351564730733).

It is not a de Polignac number, because 351564730725 - 2³ = 351564730717 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3970284 + ... + 4057866.

It is an arithmetic number, because the mean of its divisors is an integer number (6842062080).

Almost surely, 2^351564730725 is an apocalyptic number.

It is an amenable number.

351564730725 is a deficient number, since it is larger than the sum of its proper divisors (305273228955).

351564730725 is a wasteful number, since it uses less digits than its factorization.

351564730725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87811 (or 87806 counting only the distinct ones).

The product of its (nonzero) digits is 2646000, while the sum is 48.

The spelling of 351564730725 in words is "three hundred fifty-one billion, five hundred sixty-four million, seven hundred thirty thousand, seven hundred twenty-five".