25318967 has 4 divisors (see below), whose sum is σ = 26808336. Its totient is φ = 23829600.

The previous prime is 25318939. The next prime is 25318973. The reversal of 25318967 is 76981352.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25318967 - 2¹² = 25314871 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 (25318907) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 744659 + ... + 744692.

It is an arithmetic number, because the mean of its divisors is an integer number (6702084).

Almost surely, 2^25318967 is an apocalyptic number.

25318967 is a deficient number, since it is larger than the sum of its proper divisors (1489369).

25318967 is a wasteful number, since it uses less digits than its factorization.

25318967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1489368.

The product of its digits is 90720, while the sum is 41.

The square root of 25318967 is about 5031.7956039569. The cubic root of 25318967 is about 293.6400758464.

The spelling of 25318967 in words is "twenty-five million, three hundred eighteen thousand, nine hundred sixty-seven".