836526121 has 2 divisors, whose sum is σ = 836526122. Its totient is φ = 836526120.

The previous prime is 836526109. The next prime is 836526143. The reversal of 836526121 is 121625638.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 750760000 + 85766121 = 27400^2 + 9261^2 .

It is a cyclic number.

It is not a de Polignac number, because 836526121 - 2⁹ = 836525609 is a prime.

It is a super-2 number, since 2×836526121² = 1399551902230613282, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (836526101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 418263060 + 418263061.

It is an arithmetic number, because the mean of its divisors is an integer number (418263061).

Almost surely, 2^836526121 is an apocalyptic number.

It is an amenable number.

836526121 is a deficient number, since it is larger than the sum of its proper divisors (1).

836526121 is an equidigital number, since it uses as much as digits as its factorization.

836526121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 34.

The square root of 836526121 is about 28922.7612962525. The cubic root of 836526121 is about 942.2363085791.

The spelling of 836526121 in words is "eight hundred thirty-six million, five hundred twenty-six thousand, one hundred twenty-one".