404532425251 has 2 divisors, whose sum is σ = 404532425252. Its totient is φ = 404532425250.

The previous prime is 404532425239. The next prime is 404532425359. The reversal of 404532425251 is 152524235404.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 404532425251 - 2¹⁹ = 404531900963 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 404532425251.

It is not a weakly prime, because it can be changed into another prime (404532425651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202266212625 + 202266212626.

It is an arithmetic number, because the mean of its divisors is an integer number (202266212626).

Almost surely, 2^404532425251 is an apocalyptic number.

404532425251 is a deficient number, since it is larger than the sum of its proper divisors (1).

404532425251 is an equidigital number, since it uses as much as digits as its factorization.

404532425251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192000, while the sum is 37.

The spelling of 404532425251 in words is "four hundred four billion, five hundred thirty-two million, four hundred twenty-five thousand, two hundred fifty-one".