25230055 has 4 divisors (see below), whose sum is σ = 30276072. Its totient is φ = 20184040.

The previous prime is 25230017. The next prime is 25230059. The reversal of 25230055 is 55003252.

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

It is not a de Polignac number, because 25230055 - 2⁷ = 25229927 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25230059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2523001 + ... + 2523010.

It is an arithmetic number, because the mean of its divisors is an integer number (7569018).

Almost surely, 2^25230055 is an apocalyptic number.

25230055 is a deficient number, since it is larger than the sum of its proper divisors (5046017).

25230055 is an equidigital number, since it uses as much as digits as its factorization.

25230055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5046016.

The product of its (nonzero) digits is 1500, while the sum is 22.

The square root of 25230055 is about 5022.9528168200. The cubic root of 25230055 is about 293.2959498101.

The spelling of 25230055 in words is "twenty-five million, two hundred thirty thousand, fifty-five".