25239383 has 4 divisors (see below), whose sum is σ = 27180888. Its totient is φ = 23297880.

The previous prime is 25239343. The next prime is 25239397. The reversal of 25239383 is 38393252.

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

It is a cyclic number.

It is not a de Polignac number, because 25239383 - 2¹⁰ = 25238359 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 (25239343) 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, 970733 + ... + 970758.

It is an arithmetic number, because the mean of its divisors is an integer number (6795222).

Almost surely, 2^25239383 is an apocalyptic number.

25239383 is a deficient number, since it is larger than the sum of its proper divisors (1941505).

25239383 is a wasteful number, since it uses less digits than its factorization.

25239383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1941504.

The product of its digits is 38880, while the sum is 35.

The square root of 25239383 is about 5023.8812685015. The cubic root of 25239383 is about 293.3320909325.

The spelling of 25239383 in words is "twenty-five million, two hundred thirty-nine thousand, three hundred eighty-three".