25268977 has 2 divisors, whose sum is σ = 25268978. Its totient is φ = 25268976.

The previous prime is 25268963. The next prime is 25268981. The reversal of 25268977 is 77986252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20875761 + 4393216 = 4569^2 + 2096^2 .

It is a cyclic number.

It is not a de Polignac number, because 25268977 - 2¹⁵ = 25236209 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (25268377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12634488 + 12634489.

It is an arithmetic number, because the mean of its divisors is an integer number (12634489).

Almost surely, 2^25268977 is an apocalyptic number.

It is an amenable number.

25268977 is a deficient number, since it is larger than the sum of its proper divisors (1).

25268977 is an equidigital number, since it uses as much as digits as its factorization.

25268977 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 423360, while the sum is 46.

The square root of 25268977 is about 5026.8257379782. The cubic root of 25268977 is about 293.4466933014.

The spelling of 25268977 in words is "twenty-five million, two hundred sixty-eight thousand, nine hundred seventy-seven".