25219116 has 36 divisors (see below), whose sum is σ = 68653312. Its totient is φ = 7759584.

The previous prime is 25219111. The next prime is 25219121. The reversal of 25219116 is 61191252.

It is an interprime number because it is at equal distance from previous prime (25219111) and next prime (25219121).

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 25219116.

It is not an unprimeable number, because it can be changed into a prime (25219111) 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, 26476 + ... + 27411.

Almost surely, 2^25219116 is an apocalyptic number.

25219116 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

25219116 is an abundant number, since it is smaller than the sum of its proper divisors (43434196).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25219116 is a wasteful number, since it uses less digits than its factorization.

25219116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53910 (or 53905 counting only the distinct ones).

The product of its digits is 1080, while the sum is 27.

The square root of 25219116 is about 5021.8637974362. The cubic root of 25219116 is about 293.2535555546.

The spelling of 25219116 in words is "twenty-five million, two hundred nineteen thousand, one hundred sixteen".