253299343 has 12 divisors (see below), whose sum is σ = 278858440. Its totient is φ = 229909680.

The previous prime is 253299289. The next prime is 253299367. The reversal of 253299343 is 343992352.

253299343 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 253299343 - 2²⁵ = 219744911 is a prime.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 253299296 and 253299305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253299383) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 102721 + ... + 105157.

Almost surely, 2^253299343 is an apocalyptic number.

253299343 is a deficient number, since it is larger than the sum of its proper divisors (25559097).

253299343 is a wasteful number, since it uses less digits than its factorization.

253299343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3318 (or 3307 counting only the distinct ones).

The product of its digits is 174960, while the sum is 40.

The square root of 253299343 is about 15915.3807054685. The cubic root of 253299343 is about 632.7196968371.

The spelling of 253299343 in words is "two hundred fifty-three million, two hundred ninety-nine thousand, three hundred forty-three".