325167048637 has 2 divisors, whose sum is σ = 325167048638. Its totient is φ = 325167048636.

The previous prime is 325167048617. The next prime is 325167048643. The reversal of 325167048637 is 736840761523.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 306750930201 + 18416118436 = 553851^2 + 135706^2 .

It is an emirp because it is prime and its reverse (736840761523) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 325167048637 - 2⁷ = 325167048509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (325167048617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162583524318 + 162583524319.

It is an arithmetic number, because the mean of its divisors is an integer number (162583524319).

Almost surely, 2^325167048637 is an apocalyptic number.

It is an amenable number.

325167048637 is a deficient number, since it is larger than the sum of its proper divisors (1).

325167048637 is an equidigital number, since it uses as much as digits as its factorization.

325167048637 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5080320, while the sum is 52.

The spelling of 325167048637 in words is "three hundred twenty-five billion, one hundred sixty-seven million, forty-eight thousand, six hundred thirty-seven".