25342456 has 16 divisors (see below), whose sum is σ = 48187440. Its totient is φ = 12492480.

The previous prime is 25342439. The next prime is 25342459. The reversal of 25342456 is 65424352.

It is a super-2 number, since 2×25342456² = 1284480152223872, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25342459) 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, 21741 + ... + 22876.

It is an arithmetic number, because the mean of its divisors is an integer number (3011715).

Almost surely, 2^25342456 is an apocalyptic number.

It is an amenable number.

25342456 is a deficient number, since it is larger than the sum of its proper divisors (22844984).

25342456 is a wasteful number, since it uses less digits than its factorization.

25342456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44694 (or 44690 counting only the distinct ones).

The product of its digits is 28800, while the sum is 31.

The square root of 25342456 is about 5034.1291203147. The cubic root of 25342456 is about 293.7308533771.

The spelling of 25342456 in words is "twenty-five million, three hundred forty-two thousand, four hundred fifty-six".