25140090 has 16 divisors (see below), whose sum is σ = 60336288. Its totient is φ = 6704016.

The previous prime is 25140067. The next prime is 25140109. The reversal of 25140090 is 9004152.

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, 418972 + ... + 419031.

It is an arithmetic number, because the mean of its divisors is an integer number (3771018).

Almost surely, 2^25140090 is an apocalyptic number.

25140090 is an abundant number, since it is smaller than the sum of its proper divisors (35196198).

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

25140090 is a wasteful number, since it uses less digits than its factorization.

25140090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 838013.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 25140090 is about 5013.9894295860. The cubic root of 25140090 is about 292.9469243438.

The spelling of 25140090 in words is "twenty-five million, one hundred forty thousand, ninety".