25402125053 has 2 divisors, whose sum is σ = 25402125054. Its totient is φ = 25402125052.

The previous prime is 25402125013. The next prime is 25402125079. The reversal of 25402125053 is 35052120452.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25299447364 + 102677689 = 159058^2 + 10133^2 .

It is a cyclic number.

It is not a de Polignac number, because 25402125053 - 2²⁴ = 25385347837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25402125013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12701062526 + 12701062527.

It is an arithmetic number, because the mean of its divisors is an integer number (12701062527).

Almost surely, 2^25402125053 is an apocalyptic number.

It is an amenable number.

25402125053 is a deficient number, since it is larger than the sum of its proper divisors (1).

25402125053 is an equidigital number, since it uses as much as digits as its factorization.

25402125053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12000, while the sum is 29.

The spelling of 25402125053 in words is "twenty-five billion, four hundred two million, one hundred twenty-five thousand, fifty-three".