25240066 has 8 divisors (see below), whose sum is σ = 37889424. Its totient is φ = 12610260.

The previous prime is 25240057. The next prime is 25240067. The reversal of 25240066 is 66004252.

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

It is a self number, because there is not a number n which added to its sum of digits gives 25240066.

It is not an unprimeable number, because it can be changed into a prime (25240067) 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, 1060 + ... + 7183.

It is an arithmetic number, because the mean of its divisors is an integer number (4736178).

Almost surely, 2^25240066 is an apocalyptic number.

25240066 is a deficient number, since it is larger than the sum of its proper divisors (12649358).

25240066 is a wasteful number, since it uses less digits than its factorization.

25240066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9776.

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

The square root of 25240066 is about 5023.9492433742. The cubic root of 25240066 is about 293.3347368505.

The spelling of 25240066 in words is "twenty-five million, two hundred forty thousand, sixty-six".