25672961 has 8 divisors (see below), whose sum is σ = 26164800. Its totient is φ = 25184880.

The previous prime is 25672957. The next prime is 25672967. The reversal of 25672961 is 16927652.

It is a happy number.

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 25672961 - 2² = 25672957 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25672967) 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, 15470 + ... + 17048.

It is an arithmetic number, because the mean of its divisors is an integer number (3270600).

Almost surely, 2^25672961 is an apocalyptic number.

It is an amenable number.

25672961 is a deficient number, since it is larger than the sum of its proper divisors (491839).

25672961 is a wasteful number, since it uses less digits than its factorization.

25672961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1879.

The product of its digits is 45360, while the sum is 38.

The square root of 25672961 is about 5066.8492182026. The cubic root of 25672961 is about 295.0022445487.

The spelling of 25672961 in words is "twenty-five million, six hundred seventy-two thousand, nine hundred sixty-one".