325620735507 has 8 divisors (see below), whose sum is σ = 482401089680. Its totient is φ = 217080490320.

The previous prime is 325620735499. The next prime is 325620735511. The reversal of 325620735507 is 705537026523.

325620735507 is a `hidden beast` number, since 3 + 2 + 5 + 6 + 20 + 73 + 550 + 7 = 666.

It is not a de Polignac number, because 325620735507 - 2³ = 325620735499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (325620735907) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6030013594 + ... + 6030013647.

It is an arithmetic number, because the mean of its divisors is an integer number (60300136210).

Almost surely, 2^325620735507 is an apocalyptic number.

325620735507 is a deficient number, since it is larger than the sum of its proper divisors (156780354173).

325620735507 is a wasteful number, since it uses less digits than its factorization.

325620735507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12060027250 (or 12060027244 counting only the distinct ones).

The product of its (nonzero) digits is 1323000, while the sum is 45.

The spelling of 325620735507 in words is "three hundred twenty-five billion, six hundred twenty million, seven hundred thirty-five thousand, five hundred seven".