25421382 has 24 divisors (see below), whose sum is σ = 62948496. Its totient is φ = 7263216.

The previous prime is 25421369. The next prime is 25421387. The reversal of 25421382 is 28312452.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25421387) 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, 100753 + ... + 101004.

It is an arithmetic number, because the mean of its divisors is an integer number (2622854).

Almost surely, 2^25421382 is an apocalyptic number.

25421382 is an abundant number, since it is smaller than the sum of its proper divisors (37527114).

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

25421382 is a wasteful number, since it uses less digits than its factorization.

25421382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201772 (or 201769 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 25421382 is about 5041.9621180648. The cubic root of 25421382 is about 294.0354670526.

The spelling of 25421382 in words is "twenty-five million, four hundred twenty-one thousand, three hundred eighty-two".