253366 has 4 divisors (see below), whose sum is σ = 380052. Its totient is φ = 126682.

The previous prime is 253361. The next prime is 253367. The reversal of 253366 is 663352.

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

It is a self number, because there is not a number n which added to its sum of digits gives 253366.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63340 + ... + 63343.

It is an arithmetic number, because the mean of its divisors is an integer number (95013).

2²⁵³³⁶⁶ is an apocalyptic number.

253366 is a deficient number, since it is larger than the sum of its proper divisors (126686).

253366 is a wasteful number, since it uses less digits than its factorization.

253366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126685.

The product of its digits is 3240, while the sum is 25.

The square root of 253366 is about 503.3547456814. The cubic root of 253366 is about 63.2775193096.

The spelling of 253366 in words is "two hundred fifty-three thousand, three hundred sixty-six".