250450256133 has 72 divisors (see below), whose sum is σ = 479041632576. Its totient is φ = 124447276800.

The previous prime is 250450256129. The next prime is 250450256149. The reversal of 250450256133 is 331652054052.

250450256133 is a `hidden beast` number, since 2 + 50 + 45 + 0 + 2 + 561 + 3 + 3 = 666.

It is not a de Polignac number, because 250450256133 - 2² = 250450256129 is a prime.

It is a super-2 number, since 2×250450256133² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (250450256183) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1010788 + ... + 1233933.

It is an arithmetic number, because the mean of its divisors is an integer number (6653356008).

Almost surely, 2^250450256133 is an apocalyptic number.

250450256133 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

250450256133 is a deficient number, since it is larger than the sum of its proper divisors (228591376443).

250450256133 is a wasteful number, since it uses less digits than its factorization.

250450256133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2244775 (or 2244765 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

The spelling of 250450256133 in words is "two hundred fifty billion, four hundred fifty million, two hundred fifty-six thousand, one hundred thirty-three".