25486742 has 8 divisors (see below), whose sum is σ = 38253600. Its totient is φ = 12735544.

The previous prime is 25486739. The next prime is 25486751. The reversal of 25486742 is 24768452.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 25486696 and 25486705.

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, 1859 + ... + 7377.

It is an arithmetic number, because the mean of its divisors is an integer number (4781700).

Almost surely, 2^25486742 is an apocalyptic number.

25486742 is a deficient number, since it is larger than the sum of its proper divisors (12766858).

25486742 is a wasteful number, since it uses less digits than its factorization.

25486742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7830.

The product of its digits is 107520, while the sum is 38.

The square root of 25486742 is about 5048.4395608940. The cubic root of 25486742 is about 294.2872460634.

The spelling of 25486742 in words is "twenty-five million, four hundred eighty-six thousand, seven hundred forty-two".