25716942 has 24 divisors (see below), whose sum is σ = 55908216. Its totient is φ = 8543376.

The previous prime is 25716941. The next prime is 25716973. The reversal of 25716942 is 24961752.

It is a super-2 number, since 2×25716942² = 1322722211662728, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25716897 and 25716906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25716941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3453 + ... + 7959.

It is an arithmetic number, because the mean of its divisors is an integer number (2329509).

Almost surely, 2^25716942 is an apocalyptic number.

25716942 is an abundant number, since it is smaller than the sum of its proper divisors (30191274).

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

25716942 is a wasteful number, since it uses less digits than its factorization.

25716942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4832 (or 4829 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 25716942 is about 5071.1874349111. The cubic root of 25716942 is about 295.1706070499.

The spelling of 25716942 in words is "twenty-five million, seven hundred sixteen thousand, nine hundred forty-two".