325992421901 has 2 divisors, whose sum is σ = 325992421902. Its totient is φ = 325992421900.

The previous prime is 325992421897. The next prime is 325992422047. The reversal of 325992421901 is 109124299523.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 172681802500 + 153310619401 = 415550^2 + 391549^2 .

It is a cyclic number.

It is not a de Polignac number, because 325992421901 - 2² = 325992421897 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (325992429901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162996210950 + 162996210951.

It is an arithmetic number, because the mean of its divisors is an integer number (162996210951).

Almost surely, 2^325992421901 is an apocalyptic number.

It is an amenable number.

325992421901 is a deficient number, since it is larger than the sum of its proper divisors (1).

325992421901 is an equidigital number, since it uses as much as digits as its factorization.

325992421901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 349920, while the sum is 47.

The spelling of 325992421901 in words is "three hundred twenty-five billion, nine hundred ninety-two million, four hundred twenty-one thousand, nine hundred one".