25671996 has 36 divisors (see below), whose sum is σ = 74164272. Its totient is φ = 7334784.

The previous prime is 25671977. The next prime is 25672039. The reversal of 25671996 is 69917652.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50685 + ... + 51188.

Almost surely, 2^25671996 is an apocalyptic number.

It is an amenable number.

25671996 is an abundant number, since it is smaller than the sum of its proper divisors (48492276).

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

25671996 is a wasteful number, since it uses less digits than its factorization.

25671996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101890 (or 101885 counting only the distinct ones).

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

The square root of 25671996 is about 5066.7539904756. The cubic root of 25671996 is about 294.9985483027.

The spelling of 25671996 in words is "twenty-five million, six hundred seventy-one thousand, nine hundred ninety-six".