1836061 has 2 divisors, whose sum is σ = 1836062. Its totient is φ = 1836060.

The previous prime is 1836059. The next prime is 1836073. The reversal of 1836061 is 1606381.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1836025 + 36 = 1355^2 + 6^2 .

It is a cyclic number.

It is not a de Polignac number, because 1836061 - 2¹ = 1836059 is a prime.

It is a super-2 number, since 2×1836061² = 6742239991442, which contains 22 as substring.

Together with 1836059, it forms a pair of twin primes.

1836061 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1836011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 918030 + 918031.

It is an arithmetic number, because the mean of its divisors is an integer number (918031).

2^1836061 is an apocalyptic number.

It is an amenable number.

1836061 is a deficient number, since it is larger than the sum of its proper divisors (1).

1836061 is an equidigital number, since it uses as much as digits as its factorization.

1836061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 1836061 is about 1355.0132840677. The cubic root of 1836061 is about 122.4510091480.

The spelling of 1836061 in words is "one million, eight hundred thirty-six thousand, sixty-one".