253829117 has 4 divisors (see below), whose sum is σ = 253861020. Its totient is φ = 253797216.

The previous prime is 253829087. The next prime is 253829119. The reversal of 253829117 is 711928352.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 205234276 + 48594841 = 14326^2 + 6971^2 .

It is a cyclic number.

It is not a de Polignac number, because 253829117 - 2¹⁴ = 253812733 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 (253829119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6809 + ... + 23537.

It is an arithmetic number, because the mean of its divisors is an integer number (63465255).

Almost surely, 2^253829117 is an apocalyptic number.

It is an amenable number.

253829117 is a deficient number, since it is larger than the sum of its proper divisors (31903).

253829117 is a wasteful number, since it uses less digits than its factorization.

253829117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31902.

The product of its digits is 30240, while the sum is 38.

The square root of 253829117 is about 15932.0154719985. The cubic root of 253829117 is about 633.1604994376.

The spelling of 253829117 in words is "two hundred fifty-three million, eight hundred twenty-nine thousand, one hundred seventeen".