25290953 has 2 divisors, whose sum is σ = 25290954. Its totient is φ = 25290952.

The previous prime is 25290901. The next prime is 25291003. The reversal of 25290953 is 35909252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24571849 + 719104 = 4957^2 + 848^2 .

It is a cyclic number.

It is not a de Polignac number, because 25290953 - 2²⁰ = 24242377 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (25290553) 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, 12645476 + 12645477.

It is an arithmetic number, because the mean of its divisors is an integer number (12645477).

Almost surely, 2^25290953 is an apocalyptic number.

It is an amenable number.

25290953 is a deficient number, since it is larger than the sum of its proper divisors (1).

25290953 is an equidigital number, since it uses as much as digits as its factorization.

25290953 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24300, while the sum is 35.

The square root of 25290953 is about 5029.0111354023. The cubic root of 25290953 is about 293.5317371870.

The spelling of 25290953 in words is "twenty-five million, two hundred ninety thousand, nine hundred fifty-three".