25098940 has 24 divisors (see below), whose sum is σ = 53831232. Its totient is φ = 9825600.

The previous prime is 25098917. The next prime is 25098967. The reversal of 25098940 is 4989052.

It is a self number, because there is not a number n which added to its sum of digits gives 25098940.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12411 + ... + 14290.

It is an arithmetic number, because the mean of its divisors is an integer number (2242968).

Almost surely, 2^25098940 is an apocalyptic number.

25098940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25098940 is an abundant number, since it is smaller than the sum of its proper divisors (28732292).

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

25098940 is a wasteful number, since it uses less digits than its factorization.

25098940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26757 (or 26755 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 25098940 is about 5009.8842301993. The cubic root of 25098940 is about 292.7870024937.

It can be divided in two parts, 2509 and 8940, that added together give a square (11449 = 107²).

The spelling of 25098940 in words is "twenty-five million, ninety-eight thousand, nine hundred forty".