834193253 has 2 divisors, whose sum is σ = 834193254. Its totient is φ = 834193252.

The previous prime is 834193219. The next prime is 834193267. The reversal of 834193253 is 352391438.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 814417444 + 19775809 = 28538^2 + 4447^2 .

It is a cyclic number.

It is not a de Polignac number, because 834193253 - 2²⁰ = 833144677 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (834193753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 417096626 + 417096627.

It is an arithmetic number, because the mean of its divisors is an integer number (417096627).

Almost surely, 2^834193253 is an apocalyptic number.

It is an amenable number.

834193253 is a deficient number, since it is larger than the sum of its proper divisors (1).

834193253 is an equidigital number, since it uses as much as digits as its factorization.

834193253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 77760, while the sum is 38.

The square root of 834193253 is about 28882.4038646370. The cubic root of 834193253 is about 941.3596037625.

The spelling of 834193253 in words is "eight hundred thirty-four million, one hundred ninety-three thousand, two hundred fifty-three".