25378892 has 96 divisors (see below), whose sum is σ = 60673536. Its totient is φ = 8985600.

The previous prime is 25378883. The next prime is 25378897. The reversal of 25378892 is 29887352.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is not an unprimeable number, because it can be changed into a prime (25378897) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 193667 + ... + 193797.

It is an arithmetic number, because the mean of its divisors is an integer number (632016).

Almost surely, 2^25378892 is an apocalyptic number.

25378892 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25378892, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30336768).

25378892 is an abundant number, since it is smaller than the sum of its proper divisors (35294644).

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

25378892 is a wasteful number, since it uses less digits than its factorization.

25378892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207 (or 205 counting only the distinct ones).

The product of its digits is 241920, while the sum is 44.

The square root of 25378892 is about 5037.7467185241. The cubic root of 25378892 is about 293.8715560299.

The spelling of 25378892 in words is "twenty-five million, three hundred seventy-eight thousand, eight hundred ninety-two".