251325401523047 has 2 divisors, whose sum is σ = 251325401523048. Its totient is φ = 251325401523046.

The previous prime is 251325401523029. The next prime is 251325401523059. The reversal of 251325401523047 is 740325104523152.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 251325401523047 - 2²⁶ = 251325334414183 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 251325401522989 and 251325401523007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (251325401553047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125662700761523 + 125662700761524.

It is an arithmetic number, because the mean of its divisors is an integer number (125662700761524).

Almost surely, 2^{251325401523047} is an apocalyptic number.

251325401523047 is a deficient number, since it is larger than the sum of its proper divisors (1).

251325401523047 is an equidigital number, since it uses as much as digits as its factorization.

251325401523047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008000, while the sum is 44.

The spelling of 251325401523047 in words is "two hundred fifty-one trillion, three hundred twenty-five billion, four hundred one million, five hundred twenty-three thousand, forty-seven".