25140153 has 4 divisors (see below), whose sum is σ = 33520208. Its totient is φ = 16760100.

The previous prime is 25140149. The next prime is 25140197. The reversal of 25140153 is 35104152.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 25140153 - 2² = 25140149 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25140133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4190023 + ... + 4190028.

It is an arithmetic number, because the mean of its divisors is an integer number (8380052).

Almost surely, 2^25140153 is an apocalyptic number.

It is an amenable number.

25140153 is a deficient number, since it is larger than the sum of its proper divisors (8380055).

25140153 is an equidigital number, since it uses as much as digits as its factorization.

25140153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8380054.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 25140153 is about 5013.9957120045. The cubic root of 25140153 is about 292.9471690478.

It can be divided in two parts, 251 and 40153, that added together give a palindrome (40404).

The spelling of 25140153 in words is "twenty-five million, one hundred forty thousand, one hundred fifty-three".