25951410157 has 2 divisors, whose sum is σ = 25951410158. Its totient is φ = 25951410156.

The previous prime is 25951410127. The next prime is 25951410169. The reversal of 25951410157 is 75101415952.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21307532841 + 4643877316 = 145971^2 + 68146^2 .

It is a cyclic number.

It is not a de Polignac number, because 25951410157 - 2¹⁹ = 25950885869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25951410127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12975705078 + 12975705079.

It is an arithmetic number, because the mean of its divisors is an integer number (12975705079).

Almost surely, 2^25951410157 is an apocalyptic number.

It is an amenable number.

25951410157 is a deficient number, since it is larger than the sum of its proper divisors (1).

25951410157 is an equidigital number, since it uses as much as digits as its factorization.

25951410157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 63000, while the sum is 40.

The spelling of 25951410157 in words is "twenty-five billion, nine hundred fifty-one million, four hundred ten thousand, one hundred fifty-seven".