253769 has 2 divisors, whose sum is σ = 253770. Its totient is φ = 253768.

The previous prime is 253763. The next prime is 253777. The reversal of 253769 is 967352.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 238144 + 15625 = 488^2 + 125^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-253769 is a prime.

It is a super-2 number, since 2×253769² = 128797410722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (253763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126884 + 126885.

It is an arithmetic number, because the mean of its divisors is an integer number (126885).

2²⁵³⁷⁶⁹ is an apocalyptic number.

It is an amenable number.

253769 is a deficient number, since it is larger than the sum of its proper divisors (1).

253769 is an equidigital number, since it uses as much as digits as its factorization.

253769 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11340, while the sum is 32.

The square root of 253769 is about 503.7549007206. The cubic root of 253769 is about 63.3110509487.

The spelling of 253769 in words is "two hundred fifty-three thousand, seven hundred sixty-nine".