25742284 has 24 divisors (see below), whose sum is σ = 48284208. Its totient is φ = 11965440.

The previous prime is 25742279. The next prime is 25742291. The reversal of 25742284 is 48224752.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3364 + ... + 7924.

It is an arithmetic number, because the mean of its divisors is an integer number (2011842).

Almost surely, 2^25742284 is an apocalyptic number.

It is an amenable number.

25742284 is a deficient number, since it is larger than the sum of its proper divisors (22541924).

25742284 is a wasteful number, since it uses less digits than its factorization.

25742284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4665 (or 4663 counting only the distinct ones).

The product of its digits is 35840, while the sum is 34.

The square root of 25742284 is about 5073.6854455120. The cubic root of 25742284 is about 295.2675309353.

The spelling of 25742284 in words is "twenty-five million, seven hundred forty-two thousand, two hundred eighty-four".