252653 has 4 divisors (see below), whose sum is σ = 256188. Its totient is φ = 249120.

The previous prime is 252641. The next prime is 252667. The reversal of 252653 is 356252.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 94249 + 158404 = 307^2 + 398^2 .

It is a cyclic number.

It is not a de Polignac number, because 252653 - 2⁶ = 252589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252253) 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 in 3 ways as a sum of consecutive naturals, for example, 1658 + ... + 1803.

It is an arithmetic number, because the mean of its divisors is an integer number (64047).

2²⁵²⁶⁵³ is an apocalyptic number.

It is an amenable number.

252653 is a deficient number, since it is larger than the sum of its proper divisors (3535).

252653 is an equidigital number, since it uses as much as digits as its factorization.

252653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3534.

The product of its digits is 1800, while the sum is 23.

The square root of 252653 is about 502.6459986909. The cubic root of 252653 is about 63.2181068933.

The spelling of 252653 in words is "two hundred fifty-two thousand, six hundred fifty-three".