253209233 has 2 divisors, whose sum is σ = 253209234. Its totient is φ = 253209232.

The previous prime is 253209227. The next prime is 253209263. The reversal of 253209233 is 332902352.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 138462289 + 114746944 = 11767^2 + 10712^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-253209233 is a prime.

It is a super-2 number, since 2×253209233² = 128229831352896578, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 253209196 and 253209205.

It is not a weakly prime, because it can be changed into another prime (253209263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126604616 + 126604617.

It is an arithmetic number, because the mean of its divisors is an integer number (126604617).

Almost surely, 2^253209233 is an apocalyptic number.

It is an amenable number.

253209233 is a deficient number, since it is larger than the sum of its proper divisors (1).

253209233 is an equidigital number, since it uses as much as digits as its factorization.

253209233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 29.

The square root of 253209233 is about 15912.5495443062. The cubic root of 253209233 is about 632.6446589611.

The spelling of 253209233 in words is "two hundred fifty-three million, two hundred nine thousand, two hundred thirty-three".