253934983 has 2 divisors, whose sum is σ = 253934984. Its totient is φ = 253934982.

The previous prime is 253934971. The next prime is 253934987. The reversal of 253934983 is 389439352.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 253934983 - 2⁵ = 253934951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (253934987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126967491 + 126967492.

It is an arithmetic number, because the mean of its divisors is an integer number (126967492).

Almost surely, 2^253934983 is an apocalyptic number.

253934983 is a deficient number, since it is larger than the sum of its proper divisors (1).

253934983 is an equidigital number, since it uses as much as digits as its factorization.

253934983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 699840, while the sum is 46.

The square root of 253934983 is about 15935.3375552575. The cubic root of 253934983 is about 633.2485125249.

It can be divided in two parts, 25393498 and 3, that added together give a triangular number (25393501 = T₇₁₂₆).

The spelling of 253934983 in words is "two hundred fifty-three million, nine hundred thirty-four thousand, nine hundred eighty-three".