25216383 has 4 divisors (see below), whose sum is σ = 33621848. Its totient is φ = 16810920.

The previous prime is 25216379. The next prime is 25216391. The reversal of 25216383 is 38361252.

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

It is not a de Polignac number, because 25216383 - 2² = 25216379 is a prime.

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

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25216383.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25216333) 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, 4202728 + ... + 4202733.

It is an arithmetic number, because the mean of its divisors is an integer number (8405462).

Almost surely, 2^25216383 is an apocalyptic number.

25216383 is a deficient number, since it is larger than the sum of its proper divisors (8405465).

25216383 is an equidigital number, since it uses as much as digits as its factorization.

25216383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8405464.

The product of its digits is 8640, while the sum is 30.

The square root of 25216383 is about 5021.5916799358. The cubic root of 25216383 is about 293.2429618589.

The spelling of 25216383 in words is "twenty-five million, two hundred sixteen thousand, three hundred eighty-three".