251325401523053 has 32 divisors (see below), whose sum is σ = 297243310742784. Its totient is φ = 209488449600000.

The previous prime is 251325401523047. The next prime is 251325401523059. The reversal of 251325401523053 is 350325104523152.

It is an interprime number because it is at equal distance from previous prime (251325401523047) and next prime (251325401523059).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-251325401523053 is a prime.

It is a super-2 number, since 2×251325401523053² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 251325401523053.

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 31 ways as a sum of consecutive naturals, for example, 264709763 + ... + 265657503.

It is an arithmetic number, because the mean of its divisors is an integer number (9288853460712).

Almost surely, 2^{251325401523053} is an apocalyptic number.

It is an amenable number.

251325401523053 is a deficient number, since it is larger than the sum of its proper divisors (45917909219731).

251325401523053 is a wasteful number, since it uses less digits than its factorization.

251325401523053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 960197.

The product of its (nonzero) digits is 540000, while the sum is 41.

The spelling of 251325401523053 in words is "two hundred fifty-one trillion, three hundred twenty-five billion, four hundred one million, five hundred twenty-three thousand, fifty-three".