25655030 has 16 divisors (see below), whose sum is σ = 46270224. Its totient is φ = 10241760.

The previous prime is 25655027. The next prime is 25655033. The reversal of 25655030 is 3055652.

It is an interprime number because it is at equal distance from previous prime (25655027) and next prime (25655033).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25655033) 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, 3464 + ... + 7956.

It is an arithmetic number, because the mean of its divisors is an integer number (2891889).

Almost surely, 2^25655030 is an apocalyptic number.

25655030 is a deficient number, since it is larger than the sum of its proper divisors (20615194).

25655030 is a wasteful number, since it uses less digits than its factorization.

25655030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5071.

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 25655030 is about 5065.0794663065. The cubic root of 25655030 is about 294.9335481845.

The spelling of 25655030 in words is "twenty-five million, six hundred fifty-five thousand, thirty".