25453164 has 48 divisors (see below), whose sum is σ = 65270016. Its totient is φ = 7656000.

The previous prime is 25453163. The next prime is 25453231. The reversal of 25453164 is 46135452.

It is a super-2 number, since 2×25453164² = 1295727115221792, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25453163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19294 + ... + 20570.

It is an arithmetic number, because the mean of its divisors is an integer number (1359792).

Almost surely, 2^25453164 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25453164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32635008).

25453164 is an abundant number, since it is smaller than the sum of its proper divisors (39816852).

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

25453164 is a wasteful number, since it uses less digits than its factorization.

25453164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1446 (or 1444 counting only the distinct ones).

The product of its digits is 14400, while the sum is 30.

The square root of 25453164 is about 5045.1128827807. The cubic root of 25453164 is about 294.1579511293.

The spelling of 25453164 in words is "twenty-five million, four hundred fifty-three thousand, one hundred sixty-four".