25385051 has 2 divisors, whose sum is σ = 25385052. Its totient is φ = 25385050.

The previous prime is 25385033. The next prime is 25385057. The reversal of 25385051 is 15058352.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25385051 - 2⁶ = 25384987 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (25385057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12692525 + 12692526.

It is an arithmetic number, because the mean of its divisors is an integer number (12692526).

Almost surely, 2^25385051 is an apocalyptic number.

25385051 is a deficient number, since it is larger than the sum of its proper divisors (1).

25385051 is an equidigital number, since it uses as much as digits as its factorization.

25385051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6000, while the sum is 29.

The square root of 25385051 is about 5038.3579666395. The cubic root of 25385051 is about 293.8953265518.

The spelling of 25385051 in words is "twenty-five million, three hundred eighty-five thousand, fifty-one".