25055007 has 4 divisors (see below), whose sum is σ = 33406680. Its totient is φ = 16703336.

The previous prime is 25054979. The next prime is 25055011. The reversal of 25055007 is 70055052.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25055007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25055077) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 4175832 + ... + 4175837.

It is an arithmetic number, because the mean of its divisors is an integer number (8351670).

Almost surely, 2^25055007 is an apocalyptic number.

25055007 is a deficient number, since it is larger than the sum of its proper divisors (8351673).

25055007 is an equidigital number, since it uses as much as digits as its factorization.

25055007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8351672.

The product of its (nonzero) digits is 1750, while the sum is 24.

The square root of 25055007 is about 5005.4976775542. The cubic root of 25055007 is about 292.6160719844.

The spelling of 25055007 in words is "twenty-five million, fifty-five thousand, seven".