325513578157 has 2 divisors, whose sum is σ = 325513578158. Its totient is φ = 325513578156.

The previous prime is 325513578139. The next prime is 325513578193. The reversal of 325513578157 is 751875315523.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 192079716361 + 133433861796 = 438269^2 + 365286^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-325513578157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (325513578757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162756789078 + 162756789079.

It is an arithmetic number, because the mean of its divisors is an integer number (162756789079).

Almost surely, 2^325513578157 is an apocalyptic number.

It is an amenable number.

325513578157 is a deficient number, since it is larger than the sum of its proper divisors (1).

325513578157 is an equidigital number, since it uses as much as digits as its factorization.

325513578157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4410000, while the sum is 52.

The spelling of 325513578157 in words is "three hundred twenty-five billion, five hundred thirteen million, five hundred seventy-eight thousand, one hundred fifty-seven".