253213983 has 24 divisors (see below), whose sum is σ = 411879936. Its totient is φ = 148510800.

The previous prime is 253213981. The next prime is 253214009. The reversal of 253213983 is 389312352.

It is not a de Polignac number, because 253213983 - 2¹ = 253213981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253213981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38185 + ... + 44322.

It is an arithmetic number, because the mean of its divisors is an integer number (17161664).

Almost surely, 2^253213983 is an apocalyptic number.

253213983 is a deficient number, since it is larger than the sum of its proper divisors (158665953).

253213983 is a wasteful number, since it uses less digits than its factorization.

253213983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82555 (or 82552 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 253213983 is about 15912.6987968729. The cubic root of 253213983 is about 632.6486149034.

The spelling of 253213983 in words is "two hundred fifty-three million, two hundred thirteen thousand, nine hundred eighty-three".