25667967 has 8 divisors (see below), whose sum is σ = 36856624. Its totient is φ = 15795648.

The previous prime is 25667933. The next prime is 25667989. The reversal of 25667967 is 76976652.

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

It is not a de Polignac number, because 25667967 - 2¹² = 25663871 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 (25667567) 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, 329038 + ... + 329115.

It is an arithmetic number, because the mean of its divisors is an integer number (4607078).

Almost surely, 2^25667967 is an apocalyptic number.

25667967 is a deficient number, since it is larger than the sum of its proper divisors (11188657).

25667967 is a wasteful number, since it uses less digits than its factorization.

25667967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 658169.

The product of its digits is 952560, while the sum is 48.

The square root of 25667967 is about 5066.3563830429. The cubic root of 25667967 is about 294.9831149964.

The spelling of 25667967 in words is "twenty-five million, six hundred sixty-seven thousand, nine hundred sixty-seven".