25142764 has 6 divisors (see below), whose sum is σ = 43999844. Its totient is φ = 12571380.

The previous prime is 25142731. The next prime is 25142771. The reversal of 25142764 is 46724152.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3142842 + ... + 3142849.

Almost surely, 2^25142764 is an apocalyptic number.

It is an amenable number.

25142764 is a deficient number, since it is larger than the sum of its proper divisors (18857080).

25142764 is a wasteful number, since it uses less digits than its factorization.

25142764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6285695 (or 6285693 counting only the distinct ones).

The product of its digits is 13440, while the sum is 31.

The square root of 25142764 is about 5014.2560764285. The cubic root of 25142764 is about 292.9573103091.

The spelling of 25142764 in words is "twenty-five million, one hundred forty-two thousand, seven hundred sixty-four".