25630767 has 6 divisors (see below), whose sum is σ = 37022232. Its totient is φ = 17087172.

The previous prime is 25630757. The next prime is 25630771. The reversal of 25630767 is 76703652.

It is a happy number.

It is not a de Polignac number, because 25630767 - 2⁸ = 25630511 is a prime.

It is a super-3 number, since 3×25630767³ (a number of 23 digits) contains 333 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25630727) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1423923 + ... + 1423940.

It is an arithmetic number, because the mean of its divisors is an integer number (6170372).

Almost surely, 2^25630767 is an apocalyptic number.

25630767 is a deficient number, since it is larger than the sum of its proper divisors (11391465).

25630767 is a wasteful number, since it uses less digits than its factorization.

25630767 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2847869 (or 2847866 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 36.

The square root of 25630767 is about 5062.6837744422. The cubic root of 25630767 is about 294.8405419948.

The spelling of 25630767 in words is "twenty-five million, six hundred thirty thousand, seven hundred sixty-seven".