25109082 has 16 divisors (see below), whose sum is σ = 55798080. Its totient is φ = 8369676.

The previous prime is 25109081. The next prime is 25109083. The reversal of 25109082 is 28090152.

It is an interprime number because it is at equal distance from previous prime (25109081) and next prime (25109083).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (25109081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 232438 + ... + 232545.

It is an arithmetic number, because the mean of its divisors is an integer number (3487380).

Almost surely, 2^25109082 is an apocalyptic number.

25109082 is an abundant number, since it is smaller than the sum of its proper divisors (30688998).

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

25109082 is a wasteful number, since it uses less digits than its factorization.

25109082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464994 (or 464988 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 25109082 is about 5010.8963270058. The cubic root of 25109082 is about 292.8264337194.

The spelling of 25109082 in words is "twenty-five million, one hundred nine thousand, eighty-two".