250525412025481 has 2 divisors, whose sum is σ = 250525412025482. Its totient is φ = 250525412025480.

The previous prime is 250525412025443. The next prime is 250525412025487. The reversal of 250525412025481 is 184520214525052.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 249576961980025 + 948450045456 = 15798005^2 + 973884^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-250525412025481 is a prime.

It is a super-2 number, since 2×250525412025481² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (250525412025487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125262706012740 + 125262706012741.

It is an arithmetic number, because the mean of its divisors is an integer number (125262706012741).

Almost surely, 2^{250525412025481} is an apocalyptic number.

It is an amenable number.

250525412025481 is a deficient number, since it is larger than the sum of its proper divisors (1).

250525412025481 is an equidigital number, since it uses as much as digits as its factorization.

250525412025481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1280000, while the sum is 46.

The spelling of 250525412025481 in words is "two hundred fifty trillion, five hundred twenty-five billion, four hundred twelve million, twenty-five thousand, four hundred eighty-one".