25379328 has 160 divisors (see below), whose sum is σ = 76995072. Its totient is φ = 7372800.

The previous prime is 25379323. The next prime is 25379353. The reversal of 25379328 is 82397352.

It is a super-2 number, since 2×25379328² = 1288220579463168, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

Its product of digits (90720) is a multiple of the sum of its prime divisors (90).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25379323) 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, 618988 + ... + 619028.

Almost surely, 2^25379328 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 25379328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38497536).

25379328 is an abundant number, since it is smaller than the sum of its proper divisors (51615744).

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

25379328 is a wasteful number, since it uses less digits than its factorization.

25379328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106 (or 90 counting only the distinct ones).

The product of its digits is 90720, while the sum is 39.

The square root of 25379328 is about 5037.7899916531. The cubic root of 25379328 is about 293.8732388886.

The spelling of 25379328 in words is "twenty-five million, three hundred seventy-nine thousand, three hundred twenty-eight".