25068157 has 2 divisors, whose sum is σ = 25068158. Its totient is φ = 25068156.

The previous prime is 25068143. The next prime is 25068161. The reversal of 25068157 is 75186052.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22791076 + 2277081 = 4774^2 + 1509^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25068157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25068167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12534078 + 12534079.

It is an arithmetic number, because the mean of its divisors is an integer number (12534079).

Almost surely, 2^25068157 is an apocalyptic number.

It is an amenable number.

25068157 is a deficient number, since it is larger than the sum of its proper divisors (1).

25068157 is an equidigital number, since it uses as much as digits as its factorization.

25068157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16800, while the sum is 34.

The square root of 25068157 is about 5006.8110609449. The cubic root of 25068157 is about 292.6672557439.

The spelling of 25068157 in words is "twenty-five million, sixty-eight thousand, one hundred fifty-seven".