25055137 has 2 divisors, whose sum is σ = 25055138. Its totient is φ = 25055136.

The previous prime is 25055123. The next prime is 25055143. The reversal of 25055137 is 73155052.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22127616 + 2927521 = 4704^2 + 1711^2 .

It is a cyclic number.

It is not a de Polignac number, because 25055137 - 2¹⁵ = 25022369 is a prime.

It is not a weakly prime, because it can be changed into another prime (25055237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12527568 + 12527569.

It is an arithmetic number, because the mean of its divisors is an integer number (12527569).

Almost surely, 2^25055137 is an apocalyptic number.

It is an amenable number.

25055137 is a deficient number, since it is larger than the sum of its proper divisors (1).

25055137 is an equidigital number, since it uses as much as digits as its factorization.

25055137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5250, while the sum is 28.

The square root of 25055137 is about 5005.5106632590. The cubic root of 25055137 is about 292.6165780711.

The spelling of 25055137 in words is "twenty-five million, fifty-five thousand, one hundred thirty-seven".