25349492 has 12 divisors (see below), whose sum is σ = 50699040. Its totient is φ = 10864056.

The previous prime is 25349491. The next prime is 25349501. The reversal of 25349492 is 29494352.

It is a happy number.

25349492 is an admirable number.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25349491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 452642 + ... + 452697.

It is an arithmetic number, because the mean of its divisors is an integer number (4224920).

Almost surely, 2^25349492 is an apocalyptic number.

It is an amenable number.

25349492 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

25349492 is a wasteful number, since it uses less digits than its factorization.

25349492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 905350 (or 905348 counting only the distinct ones).

The product of its digits is 77760, while the sum is 38.

The square root of 25349492 is about 5034.8279017261. The cubic root of 25349492 is about 293.7580343660.

The spelling of 25349492 in words is "twenty-five million, three hundred forty-nine thousand, four hundred ninety-two".