25286742 has 40 divisors (see below), whose sum is σ = 61024656. Its totient is φ = 7779888.

The previous prime is 25286719. The next prime is 25286743. The reversal of 25286742 is 24768252.

It is a junction number, because it is equal to n+sod(n) for n = 25286697 and 25286706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25286743) 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 19 ways as a sum of consecutive naturals, for example, 3898 + ... + 8109.

Almost surely, 2^25286742 is an apocalyptic number.

25286742 is an abundant number, since it is smaller than the sum of its proper divisors (35737914).

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

25286742 is a wasteful number, since it uses less digits than its factorization.

25286742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12034 (or 12025 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 25286742 is about 5028.5924471963. The cubic root of 25286742 is about 293.5154450534.

The spelling of 25286742 in words is "twenty-five million, two hundred eighty-six thousand, seven hundred forty-two".