25430255 has 4 divisors (see below), whose sum is σ = 30516312. Its totient is φ = 20344200.

The previous prime is 25430233. The next prime is 25430257. The reversal of 25430255 is 55203452.

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

It is not a de Polignac number, because 25430255 - 2⁶ = 25430191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25430257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2543021 + ... + 2543030.

It is an arithmetic number, because the mean of its divisors is an integer number (7629078).

Almost surely, 2^25430255 is an apocalyptic number.

25430255 is a deficient number, since it is larger than the sum of its proper divisors (5086057).

25430255 is an equidigital number, since it uses as much as digits as its factorization.

25430255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5086056.

The product of its (nonzero) digits is 6000, while the sum is 26.

The square root of 25430255 is about 5042.8419566748. The cubic root of 25430255 is about 294.0696728144.

The spelling of 25430255 in words is "twenty-five million, four hundred thirty thousand, two hundred fifty-five".