253389983 has 16 divisors (see below), whose sum is σ = 320371200. Its totient is φ = 194661600.

The previous prime is 253389977. The next prime is 253389989. The reversal of 253389983 is 389983352.

It is an interprime number because it is at equal distance from previous prime (253389977) and next prime (253389989).

It is not a de Polignac number, because 253389983 - 2¹⁴ = 253373599 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 (253389989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17708 + ... + 28641.

It is an arithmetic number, because the mean of its divisors is an integer number (20023200).

Almost surely, 2^253389983 is an apocalyptic number.

253389983 is a deficient number, since it is larger than the sum of its proper divisors (66981217).

253389983 is a wasteful number, since it uses less digits than its factorization.

253389983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46438.

The product of its digits is 1399680, while the sum is 50.

The square root of 253389983 is about 15918.2280106801. The cubic root of 253389983 is about 632.7951581120.

The spelling of 253389983 in words is "two hundred fifty-three million, three hundred eighty-nine thousand, nine hundred eighty-three".