25801312 has 12 divisors (see below), whose sum is σ = 50796396. Its totient is φ = 12900640.

The previous prime is 25801309. The next prime is 25801313. The reversal of 25801312 is 21310852.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25801313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 403114 + ... + 403177.

It is an arithmetic number, because the mean of its divisors is an integer number (4233033).

Almost surely, 2^25801312 is an apocalyptic number.

It is an amenable number.

25801312 is a deficient number, since it is larger than the sum of its proper divisors (24995084).

25801312 is an equidigital number, since it uses as much as digits as its factorization.

25801312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 806301 (or 806293 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 25801312 is about 5079.4991879121. The cubic root of 25801312 is about 295.4930450730.

The spelling of 25801312 in words is "twenty-five million, eight hundred one thousand, three hundred twelve".