25379424 has 72 divisors (see below), whose sum is σ = 82489680. Its totient is φ = 7250688.

The previous prime is 25379423. The next prime is 25379443. The reversal of 25379424 is 42497352.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25379423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4279 + ... + 8310.

It is an arithmetic number, because the mean of its divisors is an integer number (1145690).

Almost surely, 2^25379424 is an apocalyptic number.

25379424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

25379424 is an abundant number, since it is smaller than the sum of its proper divisors (57110256).

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

25379424 is a wasteful number, since it uses less digits than its factorization.

25379424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12612 (or 12601 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 25379424 is about 5037.7995196316. The cubic root of 25379424 is about 293.8736094237.

The spelling of 25379424 in words is "twenty-five million, three hundred seventy-nine thousand, four hundred twenty-four".