25842438 has 48 divisors (see below), whose sum is σ = 57766176. Its totient is φ = 8346240.

The previous prime is 25842419. The next prime is 25842457. The reversal of 25842438 is 83424852.

It is an interprime number because it is at equal distance from previous prime (25842419) and next prime (25842457).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 93156 + ... + 93432.

It is an arithmetic number, because the mean of its divisors is an integer number (1203462).

Almost surely, 2^25842438 is an apocalyptic number.

25842438 is an abundant number, since it is smaller than the sum of its proper divisors (31923738).

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

25842438 is a wasteful number, since it uses less digits than its factorization.

25842438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429 (or 426 counting only the distinct ones).

The product of its digits is 61440, while the sum is 36.

The square root of 25842438 is about 5083.5458097670. The cubic root of 25842438 is about 295.6499621048.

The spelling of 25842438 in words is "twenty-five million, eight hundred forty-two thousand, four hundred thirty-eight".