25144066 has 8 divisors (see below), whose sum is σ = 37748880. Its totient is φ = 12561108.

The previous prime is 25144061. The next prime is 25144079. The reversal of 25144066 is 66044152.

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

It is not an unprimeable number, because it can be changed into a prime (25144061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2196 + ... + 7423.

It is an arithmetic number, because the mean of its divisors is an integer number (4718610).

Almost surely, 2^25144066 is an apocalyptic number.

25144066 is a deficient number, since it is larger than the sum of its proper divisors (12604814).

25144066 is a wasteful number, since it uses less digits than its factorization.

25144066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10928.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 25144066 is about 5014.3859045750. The cubic root of 25144066 is about 292.9623670832.

The spelling of 25144066 in words is "twenty-five million, one hundred forty-four thousand, sixty-six".