25040153 has 4 divisors (see below), whose sum is σ = 25052160. Its totient is φ = 25028148.

The previous prime is 25040149. The next prime is 25040159. The reversal of 25040153 is 35104052.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 25040153 - 2² = 25040149 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25040159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1973 + ... + 7346.

It is an arithmetic number, because the mean of its divisors is an integer number (6263040).

Almost surely, 2^25040153 is an apocalyptic number.

It is an amenable number.

25040153 is a deficient number, since it is larger than the sum of its proper divisors (12007).

25040153 is an equidigital number, since it uses as much as digits as its factorization.

25040153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12006.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 25040153 is about 5004.0136890300. The cubic root of 25040153 is about 292.5582341988.

The spelling of 25040153 in words is "twenty-five million, forty thousand, one hundred fifty-three".