25131967 has 8 divisors (see below), whose sum is σ = 30411936. Its totient is φ = 20274432.

The previous prime is 25131961. The next prime is 25131973. The reversal of 25131967 is 76913152.

It is an interprime number because it is at equal distance from previous prime (25131961) and next prime (25131973).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25131967 - 2³ = 25131959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25131961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105478 + ... + 105715.

It is an arithmetic number, because the mean of its divisors is an integer number (3801492).

Almost surely, 2^25131967 is an apocalyptic number.

25131967 is a deficient number, since it is larger than the sum of its proper divisors (5279969).

25131967 is a wasteful number, since it uses less digits than its factorization.

25131967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211217.

The product of its digits is 11340, while the sum is 34.

The square root of 25131967 is about 5013.1793305247. The cubic root of 25131967 is about 292.9153696411.

The spelling of 25131967 in words is "twenty-five million, one hundred thirty-one thousand, nine hundred sixty-seven".