25323985 has 8 divisors (see below), whose sum is σ = 30416256. Its totient is φ = 20240880.

The previous prime is 25323973. The next prime is 25323997. The reversal of 25323985 is 58932352.

It is an interprime number because it is at equal distance from previous prime (25323973) and next prime (25323997).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 25323985 - 2¹⁷ = 25192913 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 8002 + ... + 10708.

It is an arithmetic number, because the mean of its divisors is an integer number (3802032).

Almost surely, 2^25323985 is an apocalyptic number.

It is an amenable number.

25323985 is a deficient number, since it is larger than the sum of its proper divisors (5092271).

25323985 is a wasteful number, since it uses less digits than its factorization.

25323985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4583.

The product of its digits is 64800, while the sum is 37.

The square root of 25323985 is about 5032.2942084103. The cubic root of 25323985 is about 293.6594735384.

The spelling of 25323985 in words is "twenty-five million, three hundred twenty-three thousand, nine hundred eighty-five".