253146213 has 6 divisors (see below), whose sum is σ = 365655654. Its totient is φ = 168764136.

The previous prime is 253146209. The next prime is 253146233. The reversal of 253146213 is 312641352.

253146213 is a `hidden beast` number, since 2 + 5 + 31 + 4 + 621 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 247684644 + 5461569 = 15738^2 + 2337^2 .

It is not a de Polignac number, because 253146213 - 2² = 253146209 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253146233) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14063670 + ... + 14063687.

It is an arithmetic number, because the mean of its divisors is an integer number (60942609).

Almost surely, 2^253146213 is an apocalyptic number.

It is an amenable number.

253146213 is a deficient number, since it is larger than the sum of its proper divisors (112509441).

253146213 is a wasteful number, since it uses less digits than its factorization.

253146213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28127363 (or 28127360 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 253146213 is about 15910.5692230039. The cubic root of 253146213 is about 632.5921693342.

Adding to 253146213 its reverse (312641352), we get a palindrome (565787565).

The spelling of 253146213 in words is "two hundred fifty-three million, one hundred forty-six thousand, two hundred thirteen".