25042066 has 32 divisors (see below), whose sum is σ = 44115840. Its totient is φ = 10440576.

The previous prime is 25042063. The next prime is 25042097. The reversal of 25042066 is 66024052.

It is a self number, because there is not a number n which added to its sum of digits gives 25042066.

It is not an unprimeable number, because it can be changed into a prime (25042063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109240 + ... + 109468.

It is an arithmetic number, because the mean of its divisors is an integer number (1378620).

Almost surely, 2^25042066 is an apocalyptic number.

25042066 is a deficient number, since it is larger than the sum of its proper divisors (19073774).

25042066 is a wasteful number, since it uses less digits than its factorization.

25042066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 25042066 is about 5004.2048319388. The cubic root of 25042066 is about 292.5656842285.

The spelling of 25042066 in words is "twenty-five million, forty-two thousand, sixty-six".