253763933 has 2 divisors, whose sum is σ = 253763934. Its totient is φ = 253763932.

The previous prime is 253763929. The next prime is 253763957. The reversal of 253763933 is 339367352.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 252079129 + 1684804 = 15877^2 + 1298^2 .

It is a cyclic number.

It is not a de Polignac number, because 253763933 - 2² = 253763929 is a prime.

It is a super-2 number, since 2×253763933² = 128792267383256978, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (253763963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126881966 + 126881967.

It is an arithmetic number, because the mean of its divisors is an integer number (126881967).

Almost surely, 2^253763933 is an apocalyptic number.

It is an amenable number.

253763933 is a deficient number, since it is larger than the sum of its proper divisors (1).

253763933 is an equidigital number, since it uses as much as digits as its factorization.

253763933 is an evil number, because the sum of its binary digits is even.

The product of its digits is 306180, while the sum is 41.

The square root of 253763933 is about 15929.9696484331. The cubic root of 253763933 is about 633.1062956910.

The spelling of 253763933 in words is "two hundred fifty-three million, seven hundred sixty-three thousand, nine hundred thirty-three".