25713836 has 12 divisors (see below), whose sum is σ = 46551120. Its totient is φ = 12413520.

The previous prime is 25713833. The next prime is 25713869. The reversal of 25713836 is 63831752.

It is a super-2 number, since 2×25713836² = 1322402723669792, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25713796 and 25713805.

It is not an unprimeable number, because it can be changed into a prime (25713833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110720 + ... + 110951.

It is an arithmetic number, because the mean of its divisors is an integer number (3879260).

Almost surely, 2^25713836 is an apocalyptic number.

25713836 is the 2711-st centered heptagonal number.

It is an amenable number.

25713836 is a deficient number, since it is larger than the sum of its proper divisors (20837284).

25713836 is a wasteful number, since it uses less digits than its factorization.

25713836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221704 (or 221702 counting only the distinct ones).

The product of its digits is 30240, while the sum is 35.

The square root of 25713836 is about 5070.8811857507. The cubic root of 25713836 is about 295.1587233558.

The spelling of 25713836 in words is "twenty-five million, seven hundred thirteen thousand, eight hundred thirty-six".