25115967 has 32 divisors (see below), whose sum is σ = 39532800. Its totient is φ = 15715296.

The previous prime is 25115941. The next prime is 25116041. The reversal of 25115967 is 76951152.

It is not a de Polignac number, because 25115967 - 2¹¹ = 25113919 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25113967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 88608 + ... + 88890.

It is an arithmetic number, because the mean of its divisors is an integer number (1235400).

Almost surely, 2^25115967 is an apocalyptic number.

25115967 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

25115967 is a deficient number, since it is larger than the sum of its proper divisors (14416833).

25115967 is a wasteful number, since it uses less digits than its factorization.

25115967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484 (or 478 counting only the distinct ones).

The product of its digits is 18900, while the sum is 36.

The square root of 25115967 is about 5011.5832827561. The cubic root of 25115967 is about 292.8531959583.

The spelling of 25115967 in words is "twenty-five million, one hundred fifteen thousand, nine hundred sixty-seven".