25555230 has 32 divisors (see below), whose sum is σ = 68148000. Its totient is φ = 6814656.

The previous prime is 25555223. The next prime is 25555237. The reversal of 25555230 is 3255552.

It is an interprime number because it is at equal distance from previous prime (25555223) and next prime (25555237).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 25555194 and 25555203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25555237) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 47055 + ... + 47594.

It is an arithmetic number, because the mean of its divisors is an integer number (2129625).

Almost surely, 2^25555230 is an apocalyptic number.

25555230 is an abundant number, since it is smaller than the sum of its proper divisors (42592770).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25555230 is a wasteful number, since it uses less digits than its factorization.

25555230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94665 (or 94659 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 27.

The square root of 25555230 is about 5055.2180961854. The cubic root of 25555230 is about 294.5506132966.

The spelling of 25555230 in words is "twenty-five million, five hundred fifty-five thousand, two hundred thirty".