25323155 has 32 divisors (see below), whose sum is σ = 36142848. Its totient is φ = 16790400.

The previous prime is 25323131. The next prime is 25323163. The reversal of 25323155 is 55132352.

25323155 = T₁₀₆ + T₁₀₇ + ... + T₅₃₄.

It is not a de Polignac number, because 25323155 - 2²² = 21128851 is a prime.

It is a Smith number, since the sum of its digits (26) 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 an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 76340 + ... + 76670.

It is an arithmetic number, because the mean of its divisors is an integer number (1129464).

Almost surely, 2^25323155 is an apocalyptic number.

25323155 is a deficient number, since it is larger than the sum of its proper divisors (10819693).

25323155 is a wasteful number, since it uses less digits than its factorization.

25323155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467.

The product of its digits is 4500, while the sum is 26.

The square root of 25323155 is about 5032.2117403782. The cubic root of 25323155 is about 293.6562652489.

The spelling of 25323155 in words is "twenty-five million, three hundred twenty-three thousand, one hundred fifty-five".