25342644 has 24 divisors (see below), whose sum is σ = 59447808. Its totient is φ = 8402560.

The previous prime is 25342627. The next prime is 25342651. The reversal of 25342644 is 44624352.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3237 + ... + 7820.

It is an arithmetic number, because the mean of its divisors is an integer number (2476992).

Almost surely, 2^25342644 is an apocalyptic number.

It is an amenable number.

25342644 is an abundant number, since it is smaller than the sum of its proper divisors (34105164).

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

25342644 is a wasteful number, since it uses less digits than its factorization.

25342644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11255 (or 11253 counting only the distinct ones).

The product of its digits is 23040, while the sum is 30.

The square root of 25342644 is about 5034.1477928245. The cubic root of 25342644 is about 293.7315797111.

Adding to 25342644 its reverse (44624352), we get a palindrome (69966996).

The spelling of 25342644 in words is "twenty-five million, three hundred forty-two thousand, six hundred forty-four".