25042666 has 16 divisors (see below), whose sum is σ = 43390080. Its totient is φ = 10713280.

The previous prime is 25042663. The next prime is 25042669. The reversal of 25042666 is 66624052.

It is an interprime number because it is at equal distance from previous prime (25042663) and next prime (25042669).

It is not an unprimeable number, because it can be changed into a prime (25042663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33106 + ... + 33853.

It is an arithmetic number, because the mean of its divisors is an integer number (2711880).

Almost surely, 2^25042666 is an apocalyptic number.

25042666 is a deficient number, since it is larger than the sum of its proper divisors (18347414).

25042666 is a wasteful number, since it uses less digits than its factorization.

25042666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66989.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 25042666 is about 5004.2647811642. The cubic root of 25042666 is about 292.5680208036.

The spelling of 25042666 in words is "twenty-five million, forty-two thousand, six hundred sixty-six".