251412105473 has 2 divisors, whose sum is σ = 251412105474. Its totient is φ = 251412105472.

The previous prime is 251412105433. The next prime is 251412105479. The reversal of 251412105473 is 374501214152.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 251408979649 + 3125824 = 501407^2 + 1768^2 .

It is a cyclic number.

It is not a de Polignac number, because 251412105473 - 2²⁴ = 251395328257 is a prime.

It is not a weakly prime, because it can be changed into another prime (251412105479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125706052736 + 125706052737.

It is an arithmetic number, because the mean of its divisors is an integer number (125706052737).

Almost surely, 2^251412105473 is an apocalyptic number.

It is an amenable number.

251412105473 is a deficient number, since it is larger than the sum of its proper divisors (1).

251412105473 is an equidigital number, since it uses as much as digits as its factorization.

251412105473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 33600, while the sum is 35.

The spelling of 251412105473 in words is "two hundred fifty-one billion, four hundred twelve million, one hundred five thousand, four hundred seventy-three".