253323213 has 32 divisors (see below), whose sum is σ = 402299520. Its totient is φ = 139760640.

The previous prime is 253323209. The next prime is 253323223. The reversal of 253323213 is 312323352.

It is not a de Polignac number, because 253323213 - 2² = 253323209 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253323223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27273 + ... + 35361.

It is an arithmetic number, because the mean of its divisors is an integer number (12571860).

Almost surely, 2^253323213 is an apocalyptic number.

It is an amenable number.

253323213 is a deficient number, since it is larger than the sum of its proper divisors (148976307).

253323213 is a wasteful number, since it uses less digits than its factorization.

253323213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8189.

The product of its digits is 3240, while the sum is 24.

The square root of 253323213 is about 15916.1305913215. The cubic root of 253323213 is about 632.7395712731.

Adding to 253323213 its reverse (312323352), we get a palindrome (565646565).

The spelling of 253323213 in words is "two hundred fifty-three million, three hundred twenty-three thousand, two hundred thirteen".