25401696 has 24 divisors (see below), whose sum is σ = 66679704. Its totient is φ = 8467200.

The previous prime is 25401671. The next prime is 25401713. The reversal of 25401696 is 69610452.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-3 number, since 3×25401696³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132205 + ... + 132396.

It is an arithmetic number, because the mean of its divisors is an integer number (2778321).

Almost surely, 2^25401696 is an apocalyptic number.

It is an amenable number.

25401696 is an abundant number, since it is smaller than the sum of its proper divisors (41278008).

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

25401696 is a wasteful number, since it uses less digits than its factorization.

25401696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264614 (or 264606 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 25401696 is about 5040.0095238005. The cubic root of 25401696 is about 293.9595483241.

The spelling of 25401696 in words is "twenty-five million, four hundred one thousand, six hundred ninety-six".