25913338 has 32 divisors (see below), whose sum is σ = 45256320. Its totient is φ = 10997760.

The previous prime is 25913323. The next prime is 25913351. The reversal of 25913338 is 83331952.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72003 + ... + 72361.

It is an arithmetic number, because the mean of its divisors is an integer number (1414260).

Almost surely, 2^25913338 is an apocalyptic number.

25913338 is a deficient number, since it is larger than the sum of its proper divisors (19342982).

25913338 is a wasteful number, since it uses less digits than its factorization.

25913338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 582.

The product of its digits is 19440, while the sum is 34.

The square root of 25913338 is about 5090.5145123062. The cubic root of 25913338 is about 295.9200919557.

It can be divided in two parts, 2591 and 3338, that added together give a square (5929 = 77²).

The spelling of 25913338 in words is "twenty-five million, nine hundred thirteen thousand, three hundred thirty-eight".