25406068 has 6 divisors (see below), whose sum is σ = 44460626. Its totient is φ = 12703032.

The previous prime is 25406057. The next prime is 25406089. The reversal of 25406068 is 86060452.

It can be written as a sum of positive squares in only one way, i.e., 20903184 + 4502884 = 4572^2 + 2122^2 .

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, 3175755 + ... + 3175762.

Almost surely, 2^25406068 is an apocalyptic number.

It is an amenable number.

25406068 is a deficient number, since it is larger than the sum of its proper divisors (19054558).

25406068 is a wasteful number, since it uses less digits than its factorization.

25406068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6351521 (or 6351519 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 25406068 is about 5040.4432344785. The cubic root of 25406068 is about 293.9764122560.

The spelling of 25406068 in words is "twenty-five million, four hundred six thousand, sixty-eight".