253316353 has 4 divisors (see below), whose sum is σ = 253649988. Its totient is φ = 252982720.

The previous prime is 253316317. The next prime is 253316369. The reversal of 253316353 is 353613352.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1364224 + 251952129 = 1168^2 + 15873^2 .

It is a cyclic number.

It is not a de Polignac number, because 253316353 - 2¹⁷ = 253185281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (253316153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165676 + ... + 167197.

It is an arithmetic number, because the mean of its divisors is an integer number (63412497).

Almost surely, 2^253316353 is an apocalyptic number.

It is an amenable number.

253316353 is a deficient number, since it is larger than the sum of its proper divisors (333635).

253316353 is an equidigital number, since it uses as much as digits as its factorization.

253316353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333634.

The product of its digits is 24300, while the sum is 31.

The square root of 253316353 is about 15915.9150852221. The cubic root of 253316353 is about 632.7338596862.

It can be divided in two parts, 25331 and 6353, that added together give a square (31684 = 178²).

The spelling of 253316353 in words is "two hundred fifty-three million, three hundred sixteen thousand, three hundred fifty-three".