25716996 has 18 divisors (see below), whose sum is σ = 65006942. Its totient is φ = 8572320.

The previous prime is 25716991. The next prime is 25717007. The reversal of 25716996 is 69961752.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 25644096 + 72900 = 5064^2 + 270^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×25716996² = 1322727766528032, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25716991) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 357145 + ... + 357216.

Almost surely, 2^25716996 is an apocalyptic number.

It is an amenable number.

25716996 is an abundant number, since it is smaller than the sum of its proper divisors (39289946).

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

25716996 is a wasteful number, since it uses less digits than its factorization.

25716996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714371 (or 714366 counting only the distinct ones).

The product of its digits is 204120, while the sum is 45.

The square root of 25716996 is about 5071.1927591051. The cubic root of 25716996 is about 295.1708136478.

The spelling of 25716996 in words is "twenty-five million, seven hundred sixteen thousand, nine hundred ninety-six".