253346 has 16 divisors (see below), whose sum is σ = 410400. Its totient is φ = 116928.

The previous prime is 253343. The next prime is 253349. The reversal of 253346 is 643352.

It is an interprime number because it is at equal distance from previous prime (253343) and next prime (253349).

It is not an unprimeable number, because it can be changed into a prime (253343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2186 + ... + 2298.

It is an arithmetic number, because the mean of its divisors is an integer number (25650).

2²⁵³³⁴⁶ is an apocalyptic number.

253346 is a deficient number, since it is larger than the sum of its proper divisors (157054).

253346 is a wasteful number, since it uses less digits than its factorization.

253346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193.

The product of its digits is 2160, while the sum is 23.

The square root of 253346 is about 503.3348785848. The cubic root of 253346 is about 63.2758542826.

Adding to 253346 its reverse (643352), we get a palindrome (896698).

The spelling of 253346 in words is "two hundred fifty-three thousand, three hundred forty-six".