253562 has 4 divisors (see below), whose sum is σ = 380346. Its totient is φ = 126780.

The previous prime is 253553. The next prime is 253567. The reversal of 253562 is 265352.

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 only one way, i.e., 231361 + 22201 = 481^2 + 149^2 .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 253562.

It is not an unprimeable number, because it can be changed into a prime (253567) by changing a digit.

253562 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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, 63389 + ... + 63392.

2²⁵³⁵⁶² is an apocalyptic number.

253562 is a deficient number, since it is larger than the sum of its proper divisors (126784).

253562 is a wasteful number, since it uses less digits than its factorization.

253562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126783.

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

The square root of 253562 is about 503.5494017472. The cubic root of 253562 is about 63.2938319391.

The spelling of 253562 in words is "two hundred fifty-three thousand, five hundred sixty-two".