25130425381 has 2 divisors, whose sum is σ = 25130425382. Its totient is φ = 25130425380.

The previous prime is 25130425319. The next prime is 25130425391. The reversal of 25130425381 is 18352403152.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17830260900 + 7300164481 = 133530^2 + 85441^2 .

It is a cyclic number.

It is not a de Polignac number, because 25130425381 - 2²⁵ = 25096870949 is a prime.

It is a super-2 number, since 2×25130425381² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25130425391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12565212690 + 12565212691.

It is an arithmetic number, because the mean of its divisors is an integer number (12565212691).

Almost surely, 2^25130425381 is an apocalyptic number.

It is an amenable number.

25130425381 is a deficient number, since it is larger than the sum of its proper divisors (1).

25130425381 is an equidigital number, since it uses as much as digits as its factorization.

25130425381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28800, while the sum is 34.

The spelling of 25130425381 in words is "twenty-five billion, one hundred thirty million, four hundred twenty-five thousand, three hundred eighty-one".