25384442 has 16 divisors (see below), whose sum is σ = 39267072. Its totient is φ = 12298320.

The previous prime is 25384441. The next prime is 25384493. The reversal of 25384442 is 24448352.

It is a junction number, because it is equal to n+sod(n) for n = 25384399 and 25384408.

It is not an unprimeable number, because it can be changed into a prime (25384441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22463 + ... + 23565.

It is an arithmetic number, because the mean of its divisors is an integer number (2454192).

Almost surely, 2^25384442 is an apocalyptic number.

25384442 is a deficient number, since it is larger than the sum of its proper divisors (13882630).

25384442 is a wasteful number, since it uses less digits than its factorization.

25384442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1453.

The product of its digits is 30720, while the sum is 32.

The square root of 25384442 is about 5038.2975299202. The cubic root of 25384442 is about 293.8929763013.

The spelling of 25384442 in words is "twenty-five million, three hundred eighty-four thousand, four hundred forty-two".