25353155 has 4 divisors (see below), whose sum is σ = 30423792. Its totient is φ = 20282520.

The previous prime is 25353151. The next prime is 25353169. The reversal of 25353155 is 55135352.

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

It is not a de Polignac number, because 25353155 - 2² = 25353151 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25353151) 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 3 ways as a sum of consecutive naturals, for example, 2535311 + ... + 2535320.

It is an arithmetic number, because the mean of its divisors is an integer number (7605948).

Almost surely, 2^25353155 is an apocalyptic number.

25353155 is a deficient number, since it is larger than the sum of its proper divisors (5070637).

25353155 is an equidigital number, since it uses as much as digits as its factorization.

25353155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5070636.

The product of its digits is 11250, while the sum is 29.

The square root of 25353155 is about 5035.1916547436. The cubic root of 25353155 is about 293.7721830237.

The spelling of 25353155 in words is "twenty-five million, three hundred fifty-three thousand, one hundred fifty-five".