25939316 has 12 divisors (see below), whose sum is σ = 48885732. Its totient is φ = 11971968.

The previous prime is 25939301. The next prime is 25939321. The reversal of 25939316 is 61393952.

It can be written as a sum of positive squares in 2 ways, for example, as 15570916 + 10368400 = 3946^2 + 3220^2 .

It is a super-2 number, since 2×25939316² = 1345696229095712, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 25939316.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 249365 + ... + 249468.

It is an arithmetic number, because the mean of its divisors is an integer number (4073811).

Almost surely, 2^25939316 is an apocalyptic number.

25939316 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

25939316 is a deficient number, since it is larger than the sum of its proper divisors (22946416).

25939316 is a wasteful number, since it uses less digits than its factorization.

25939316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498850 (or 498848 counting only the distinct ones).

The product of its digits is 43740, while the sum is 38.

The square root of 25939316 is about 5093.0654816132. The cubic root of 25939316 is about 296.0189450986.

The spelling of 25939316 in words is "twenty-five million, nine hundred thirty-nine thousand, three hundred sixteen".