253430213 has 2 divisors, whose sum is σ = 253430214. Its totient is φ = 253430212.

The previous prime is 253430167. The next prime is 253430263. The reversal of 253430213 is 312034352.

253430213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 227195329 + 26234884 = 15073^2 + 5122^2 .

It is a cyclic number.

It is not a de Polignac number, because 253430213 - 2²⁰ = 252381637 is a prime.

It is a super-2 number, since 2×253430213² = 128453745722450738, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (253430263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126715106 + 126715107.

It is an arithmetic number, because the mean of its divisors is an integer number (126715107).

Almost surely, 2^253430213 is an apocalyptic number.

It is an amenable number.

253430213 is a deficient number, since it is larger than the sum of its proper divisors (1).

253430213 is an equidigital number, since it uses as much as digits as its factorization.

253430213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 253430213 is about 15919.4916062040. The cubic root of 253430213 is about 632.8286453632.

Adding to 253430213 its reverse (312034352), we get a palindrome (565464565).

The spelling of 253430213 in words is "two hundred fifty-three million, four hundred thirty thousand, two hundred thirteen".