25767956 has 6 divisors (see below), whose sum is σ = 45093930. Its totient is φ = 12883976.

The previous prime is 25767949. The next prime is 25767991. The reversal of 25767956 is 65976752.

It can be written as a sum of positive squares in only one way, i.e., 15335056 + 10432900 = 3916^2 + 3230^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 25767956.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3220991 + ... + 3220998.

It is an arithmetic number, because the mean of its divisors is an integer number (7515655).

Almost surely, 2^25767956 is an apocalyptic number.

It is an amenable number.

25767956 is a deficient number, since it is larger than the sum of its proper divisors (19325974).

25767956 is a wasteful number, since it uses less digits than its factorization.

25767956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6441993 (or 6441991 counting only the distinct ones).

The product of its digits is 793800, while the sum is 47.

The square root of 25767956 is about 5076.2147314707. The cubic root of 25767956 is about 295.3656521127.

The spelling of 25767956 in words is "twenty-five million, seven hundred sixty-seven thousand, nine hundred fifty-six".