253516 has 12 divisors (see below), whose sum is σ = 451360. Its totient is φ = 124560.

The previous prime is 253507. The next prime is 253531. The reversal of 253516 is 615352.

It is a happy number.

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 276 + ... + 763.

2²⁵³⁵¹⁶ is an apocalyptic number.

It is an amenable number.

253516 is a deficient number, since it is larger than the sum of its proper divisors (197844).

253516 is a wasteful number, since it uses less digits than its factorization.

253516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1104 (or 1102 counting only the distinct ones).

The product of its digits is 900, while the sum is 22.

The square root of 253516 is about 503.5037239187. The cubic root of 253516 is about 63.2900042200.

Adding to 253516 its reverse (615352), we get a palindrome (868868).

The spelling of 253516 in words is "two hundred fifty-three thousand, five hundred sixteen".