25630255 has 8 divisors (see below), whose sum is σ = 35150112. Its totient is φ = 17575008.

The previous prime is 25630243. The next prime is 25630261. The reversal of 25630255 is 55203652.

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

It is a cyclic number.

It is not a de Polignac number, because 25630255 - 2⁷ = 25630127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 366112 + ... + 366181.

It is an arithmetic number, because the mean of its divisors is an integer number (4393764).

Almost surely, 2^25630255 is an apocalyptic number.

25630255 is a deficient number, since it is larger than the sum of its proper divisors (9519857).

25630255 is an equidigital number, since it uses as much as digits as its factorization.

25630255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 732305.

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 25630255 is about 5062.6332081240. The cubic root of 25630255 is about 294.8385787376.

The spelling of 25630255 in words is "twenty-five million, six hundred thirty thousand, two hundred fifty-five".