25159423 has 2 divisors, whose sum is σ = 25159424. Its totient is φ = 25159422.

The previous prime is 25159411. The next prime is 25159441. The reversal of 25159423 is 32495152.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25159423 - 2⁵ = 25159391 is a prime.

It is equal to p_1575265 and since 25159423 and 1575265 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25159483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12579711 + 12579712.

It is an arithmetic number, because the mean of its divisors is an integer number (12579712).

Almost surely, 2^25159423 is an apocalyptic number.

25159423 is a deficient number, since it is larger than the sum of its proper divisors (1).

25159423 is an equidigital number, since it uses as much as digits as its factorization.

25159423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10800, while the sum is 31.

The square root of 25159423 is about 5015.9169650224. The cubic root of 25159423 is about 293.0219982163.

The spelling of 25159423 in words is "twenty-five million, one hundred fifty-nine thousand, four hundred twenty-three".