325152376421 has 2 divisors, whose sum is σ = 325152376422. Its totient is φ = 325152376420.

The previous prime is 325152376399. The next prime is 325152376429. The reversal of 325152376421 is 124673251523.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 300319344196 + 24833032225 = 548014^2 + 157585^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-325152376421 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (325152376429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162576188210 + 162576188211.

It is an arithmetic number, because the mean of its divisors is an integer number (162576188211).

Almost surely, 2^325152376421 is an apocalyptic number.

It is an amenable number.

325152376421 is a deficient number, since it is larger than the sum of its proper divisors (1).

325152376421 is an equidigital number, since it uses as much as digits as its factorization.

325152376421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 302400, while the sum is 41.

The spelling of 325152376421 in words is "three hundred twenty-five billion, one hundred fifty-two million, three hundred seventy-six thousand, four hundred twenty-one".