253853 has 2 divisors, whose sum is σ = 253854. Its totient is φ = 253852.

The previous prime is 253823. The next prime is 253867. The reversal of 253853 is 358352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 252004 + 1849 = 502^2 + 43^2 .

It is a cyclic number.

It is not a de Polignac number, because 253853 - 2⁶ = 253789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (253823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126926 + 126927.

It is an arithmetic number, because the mean of its divisors is an integer number (126927).

2²⁵³⁸⁵³ is an apocalyptic number.

It is an amenable number.

253853 is a deficient number, since it is larger than the sum of its proper divisors (1).

253853 is an equidigital number, since it uses as much as digits as its factorization.

253853 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3600, while the sum is 26.

The square root of 253853 is about 503.8382677011. The cubic root of 253853 is about 63.3180357020.

The spelling of 253853 in words is "two hundred fifty-three thousand, eight hundred fifty-three".