25397148 has 48 divisors (see below), whose sum is σ = 71294720. Its totient is φ = 6873984.

The previous prime is 25397147. The next prime is 25397149. The reversal of 25397148 is 84179352.

It is an interprime number because it is at equal distance from previous prime (25397147) and next prime (25397149).

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25397147) 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, 6361 + ... + 9552.

Almost surely, 2^25397148 is an apocalyptic number.

25397148 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

25397148 is an abundant number, since it is smaller than the sum of its proper divisors (45897572).

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

25397148 is a wasteful number, since it uses less digits than its factorization.

25397148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15946 (or 15944 counting only the distinct ones).

The product of its digits is 60480, while the sum is 39.

The square root of 25397148 is about 5039.5583139795. The cubic root of 25397148 is about 293.9420034611.

The spelling of 25397148 in words is "twenty-five million, three hundred ninety-seven thousand, one hundred forty-eight".