25723396 has 6 divisors (see below), whose sum is σ = 45015950. Its totient is φ = 12861696.

The previous prime is 25723381. The next prime is 25723421. The reversal of 25723396 is 69332752.

It can be written as a sum of positive squares in only one way, i.e., 25704900 + 18496 = 5070^2 + 136^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3215421 + ... + 3215428.

Almost surely, 2^25723396 is an apocalyptic number.

It is an amenable number.

25723396 is a deficient number, since it is larger than the sum of its proper divisors (19292554).

25723396 is a wasteful number, since it uses less digits than its factorization.

25723396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6430853 (or 6430851 counting only the distinct ones).

The product of its digits is 68040, while the sum is 37.

The square root of 25723396 is about 5071.8237351075. The cubic root of 25723396 is about 295.1952972814.

It can be divided in two parts, 257 and 23396, that added together give a triangular number (23653 = T₂₁₇).

The spelling of 25723396 in words is "twenty-five million, seven hundred twenty-three thousand, three hundred ninety-six".