25256323 has 4 divisors (see below), whose sum is σ = 26354448. Its totient is φ = 24158200.

The previous prime is 25256317. The next prime is 25256347. The reversal of 25256323 is 32365252.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25256323 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25256291 and 25256300.

It is not an unprimeable number, because it can be changed into a prime (25256353) 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, 549028 + ... + 549073.

It is an arithmetic number, because the mean of its divisors is an integer number (6588612).

Almost surely, 2^25256323 is an apocalyptic number.

25256323 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

25256323 is a deficient number, since it is larger than the sum of its proper divisors (1098125).

25256323 is a wasteful number, since it uses less digits than its factorization.

25256323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1098124.

The product of its digits is 10800, while the sum is 28.

The square root of 25256323 is about 5025.5669331927. The cubic root of 25256323 is about 293.3977018119.

The spelling of 25256323 in words is "twenty-five million, two hundred fifty-six thousand, three hundred twenty-three".