25133434057 has 2 divisors, whose sum is σ = 25133434058. Its totient is φ = 25133434056.

The previous prime is 25133433989. The next prime is 25133434129. The reversal of 25133434057 is 75043433152.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12900189241 + 12233244816 = 113579^2 + 110604^2 .

It is a cyclic number.

It is not a de Polignac number, because 25133434057 - 2⁷ = 25133433929 is a prime.

It is not a weakly prime, because it can be changed into another prime (25133434657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12566717028 + 12566717029.

It is an arithmetic number, because the mean of its divisors is an integer number (12566717029).

Almost surely, 2^25133434057 is an apocalyptic number.

It is an amenable number.

25133434057 is a deficient number, since it is larger than the sum of its proper divisors (1).

25133434057 is an equidigital number, since it uses as much as digits as its factorization.

25133434057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 151200, while the sum is 37.

The spelling of 25133434057 in words is "twenty-five billion, one hundred thirty-three million, four hundred thirty-four thousand, fifty-seven".