251325401523054 has 32 divisors (see below), whose sum is σ = 516883684163616. Its totient is φ = 81408668780160.

The previous prime is 251325401523047. The next prime is 251325401523059. The reversal of 251325401523054 is 450325104523152.

It is a junction number, because it is equal to n+sod(n) for n = 251325401522997 and 251325401523015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (251325401523059) 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 in 15 ways as a sum of consecutive naturals, for example, 710046657 + ... + 710400524.

It is an arithmetic number, because the mean of its divisors is an integer number (16152615130113).

Almost surely, 2^{251325401523054} is an apocalyptic number.

251325401523054 is an abundant number, since it is smaller than the sum of its proper divisors (265558282640562).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

251325401523054 is a wasteful number, since it uses less digits than its factorization.

251325401523054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1420448020.

The product of its (nonzero) digits is 720000, while the sum is 42.

The spelling of 251325401523054 in words is "two hundred fifty-one trillion, three hundred twenty-five billion, four hundred one million, five hundred twenty-three thousand, fifty-four".