25290959 has 4 divisors (see below), whose sum is σ = 25668504. Its totient is φ = 24913416.

The previous prime is 25290953. The next prime is 25291003. The reversal of 25290959 is 95909252.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25290959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25290953) 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 in 3 ways as a sum of consecutive naturals, for example, 188672 + ... + 188805.

It is an arithmetic number, because the mean of its divisors is an integer number (6417126).

Almost surely, 2^25290959 is an apocalyptic number.

25290959 is a deficient number, since it is larger than the sum of its proper divisors (377545).

25290959 is an equidigital number, since it uses as much as digits as its factorization.

25290959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377544.

The product of its (nonzero) digits is 72900, while the sum is 41.

The square root of 25290959 is about 5029.0117319410. The cubic root of 25290959 is about 293.5317603994.

The spelling of 25290959 in words is "twenty-five million, two hundred ninety thousand, nine hundred fifty-nine".