836131 has 2 divisors, whose sum is σ = 836132. Its totient is φ = 836130.

The previous prime is 836117. The next prime is 836137. The reversal of 836131 is 131638.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-836131 is a prime.

It is a super-2 number, since 2×836131² = 1398230098322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (836137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 418065 + 418066.

It is an arithmetic number, because the mean of its divisors is an integer number (418066).

2⁸³⁶¹³¹ is an apocalyptic number.

836131 is a deficient number, since it is larger than the sum of its proper divisors (1).

836131 is an equidigital number, since it uses as much as digits as its factorization.

836131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 432, while the sum is 22.

The square root of 836131 is about 914.4019903740. The cubic root of 836131 is about 94.2087934657.

Adding to 836131 its reverse (131638), we get a palindrome (967769).

The spelling of 836131 in words is "eight hundred thirty-six thousand, one hundred thirty-one".