25491068 has 12 divisors (see below), whose sum is σ = 45365880. Its totient is φ = 12529392.

The previous prime is 25491019. The next prime is 25491079. The reversal of 25491068 is 86019452.

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, 53771 + ... + 54242.

It is an arithmetic number, because the mean of its divisors is an integer number (3780490).

Almost surely, 2^25491068 is an apocalyptic number.

It is an amenable number.

25491068 is a deficient number, since it is larger than the sum of its proper divisors (19874812).

25491068 is a wasteful number, since it uses less digits than its factorization.

25491068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108076 (or 108074 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 25491068 is about 5048.8679919364. The cubic root of 25491068 is about 294.3038954336.

The spelling of 25491068 in words is "twenty-five million, four hundred ninety-one thousand, sixty-eight".