25140154 has 16 divisors (see below), whose sum is σ = 42749280. Its totient is φ = 10992240.

The previous prime is 25140149. The next prime is 25140197. The reversal of 25140154 is 45104152.

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, 24952 + ... + 25939.

It is an arithmetic number, because the mean of its divisors is an integer number (2671830).

Almost surely, 2^25140154 is an apocalyptic number.

25140154 is a deficient number, since it is larger than the sum of its proper divisors (17609126).

25140154 is a wasteful number, since it uses less digits than its factorization.

25140154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50925.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 25140154 is about 5013.9958117254. The cubic root of 25140154 is about 292.9471729320.

The spelling of 25140154 in words is "twenty-five million, one hundred forty thousand, one hundred fifty-four".