253033313 has 8 divisors (see below), whose sum is σ = 272644008. Its totient is φ = 233443584.

The previous prime is 253033309. The next prime is 253033337. The reversal of 253033313 is 313330352.

It can be written as a sum of positive squares in 4 ways, for example, as 93566929 + 159466384 = 9673^2 + 12628^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 253033313 - 2² = 253033309 is a prime.

It is not an unprimeable number, because it can be changed into a prime (253033813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27395 + ... + 35447.

It is an arithmetic number, because the mean of its divisors is an integer number (34080501).

Almost surely, 2^253033313 is an apocalyptic number.

It is an amenable number.

253033313 is a deficient number, since it is larger than the sum of its proper divisors (19610695).

253033313 is a wasteful number, since it uses less digits than its factorization.

253033313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10483.

The product of its (nonzero) digits is 2430, while the sum is 23.

The square root of 253033313 is about 15907.0208713008. The cubic root of 253033313 is about 632.4981126556.

Adding to 253033313 its reverse (313330352), we get a palindrome (566363665).

The spelling of 253033313 in words is "two hundred fifty-three million, thirty-three thousand, three hundred thirteen".