25723536 has 40 divisors (see below), whose sum is σ = 66811200. Its totient is φ = 8528256.

The previous prime is 25723507. The next prime is 25723559. The reversal of 25723536 is 63532752.

It is a junction number, because it is equal to n+sod(n) for n = 25723497 and 25723506.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8206 + ... + 10898.

It is an arithmetic number, because the mean of its divisors is an integer number (1670280).

Almost surely, 2^25723536 is an apocalyptic number.

It is an amenable number.

25723536 is an abundant number, since it is smaller than the sum of its proper divisors (41087664).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25723536 is a wasteful number, since it uses less digits than its factorization.

25723536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2903 (or 2897 counting only the distinct ones).

The product of its digits is 37800, while the sum is 33.

The square root of 25723536 is about 5071.8375368302. The cubic root of 25723536 is about 295.1958328155.

The spelling of 25723536 in words is "twenty-five million, seven hundred twenty-three thousand, five hundred thirty-six".