253347 has 4 divisors (see below), whose sum is σ = 337800. Its totient is φ = 168896.

The previous prime is 253343. The next prime is 253349. The reversal of 253347 is 743352.

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

It is a cyclic number.

It is not a de Polignac number, because 253347 - 2² = 253343 is a prime.

It is a D-number.

253347 is a lucky number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 253347.

It is not an unprimeable number, because it can be changed into a prime (253343) 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, 42222 + ... + 42227.

It is an arithmetic number, because the mean of its divisors is an integer number (84450).

2²⁵³³⁴⁷ is an apocalyptic number.

253347 is a deficient number, since it is larger than the sum of its proper divisors (84453).

253347 is an equidigital number, since it uses as much as digits as its factorization.

253347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84452.

The product of its digits is 2520, while the sum is 24.

The square root of 253347 is about 503.3358719583. The cubic root of 253347 is about 63.2759375360.

Adding to 253347 its reverse (743352), we get a palindrome (996699).

The spelling of 253347 in words is "two hundred fifty-three thousand, three hundred forty-seven".