250113104581 has 2 divisors, whose sum is σ = 250113104582. Its totient is φ = 250113104580.

The previous prime is 250113104551. The next prime is 250113104611. The reversal of 250113104581 is 185401311052.

It is a balanced prime because it is at equal distance from previous prime (250113104551) and next prime (250113104611).

It can be written as a sum of positive squares in only one way, i.e., 192728902081 + 57384202500 = 439009^2 + 239550^2 .

It is a cyclic number.

It is not a de Polignac number, because 250113104581 - 2³³ = 241523169989 is a prime.

It is a super-2 number, since 2×250113104581² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (250113104551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125056552290 + 125056552291.

It is an arithmetic number, because the mean of its divisors is an integer number (125056552291).

Almost surely, 2^250113104581 is an apocalyptic number.

It is an amenable number.

250113104581 is a deficient number, since it is larger than the sum of its proper divisors (1).

250113104581 is an equidigital number, since it uses as much as digits as its factorization.

250113104581 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4800, while the sum is 31.

The spelling of 250113104581 in words is "two hundred fifty billion, one hundred thirteen million, one hundred four thousand, five hundred eighty-one".