25349967 has 12 divisors (see below), whose sum is σ = 37396320. Its totient is φ = 16540128.

The previous prime is 25349957. The next prime is 25349977. The reversal of 25349967 is 76994352.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (25349957) and next prime (25349977).

It is not a de Polignac number, because 25349967 - 2⁶ = 25349903 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25349957) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29542 + ... + 30387.

It is an arithmetic number, because the mean of its divisors is an integer number (3116360).

Almost surely, 2^25349967 is an apocalyptic number.

25349967 is a deficient number, since it is larger than the sum of its proper divisors (12046353).

25349967 is a wasteful number, since it uses less digits than its factorization.

25349967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59982 (or 59979 counting only the distinct ones).

The product of its digits is 408240, while the sum is 45.

The square root of 25349967 is about 5034.8750729288. The cubic root of 25349967 is about 293.7598691720.

It can be divided in two parts, 2 and 5349967, that added together give a square (5349969 = 2313²).

The spelling of 25349967 in words is "twenty-five million, three hundred forty-nine thousand, nine hundred sixty-seven".