25230555 has 32 divisors (see below), whose sum is σ = 51264000. Its totient is φ = 11533536.

The previous prime is 25230553. The next prime is 25230577. The reversal of 25230555 is 55503252.

It is not a de Polignac number, because 25230555 - 2¹ = 25230553 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (25230553) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12405 + ... + 14294.

It is an arithmetic number, because the mean of its divisors is an integer number (1602000).

Almost surely, 2^25230555 is an apocalyptic number.

25230555 is an abundant number, since it is smaller than the sum of its proper divisors (26033445).

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

25230555 is a wasteful number, since it uses less digits than its factorization.

25230555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26720 (or 26714 counting only the distinct ones).

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

The square root of 25230555 is about 5023.0025880941. The cubic root of 25230555 is about 293.2978872745.

The spelling of 25230555 in words is "twenty-five million, two hundred thirty thousand, five hundred fifty-five".