25290877 has 2 divisors, whose sum is σ = 25290878. Its totient is φ = 25290876.

The previous prime is 25290833. The next prime is 25290887. The reversal of 25290877 is 77809252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25290841 + 36 = 5029^2 + 6^2 .

It is a cyclic number.

It is not a de Polignac number, because 25290877 - 2¹⁵ = 25258109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25290827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12645438 + 12645439.

It is an arithmetic number, because the mean of its divisors is an integer number (12645439).

Almost surely, 2^25290877 is an apocalyptic number.

It is an amenable number.

25290877 is a deficient number, since it is larger than the sum of its proper divisors (1).

25290877 is an equidigital number, since it uses as much as digits as its factorization.

25290877 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 70560, while the sum is 40.

The square root of 25290877 is about 5029.0035792391. The cubic root of 25290877 is about 293.5314431631.

The spelling of 25290877 in words is "twenty-five million, two hundred ninety thousand, eight hundred seventy-seven".