25172383 has 2 divisors, whose sum is σ = 25172384. Its totient is φ = 25172382.

The previous prime is 25172363. The next prime is 25172387. The reversal of 25172383 is 38327152.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25172383 - 2⁹ = 25171871 is a prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25172387) by changing a digit.

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 as a sum of consecutive naturals, namely, 12586191 + 12586192.

It is an arithmetic number, because the mean of its divisors is an integer number (12586192).

Almost surely, 2^25172383 is an apocalyptic number.

25172383 is a deficient number, since it is larger than the sum of its proper divisors (1).

25172383 is an equidigital number, since it uses as much as digits as its factorization.

25172383 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10080, while the sum is 31.

The square root of 25172383 is about 5017.2086861122. The cubic root of 25172383 is about 293.0723029368.

It can be divided in two parts, 2517 and 2383, that added together give a square (4900 = 70²).

The spelling of 25172383 in words is "twenty-five million, one hundred seventy-two thousand, three hundred eighty-three".