1851133 has 2 divisors, whose sum is σ = 1851134. Its totient is φ = 1851132.

The previous prime is 1851127. The next prime is 1851139. The reversal of 1851133 is 3311581.

It is a balanced prime because it is at equal distance from previous prime (1851127) and next prime (1851139).

It can be written as a sum of positive squares in only one way, i.e., 1708249 + 142884 = 1307^2 + 378^2 .

It is a cyclic number.

It is not a de Polignac number, because 1851133 - 2¹³ = 1842941 is a prime.

1851133 is a lucky number.

It is a nialpdrome in base 12.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1851139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 925566 + 925567.

It is an arithmetic number, because the mean of its divisors is an integer number (925567).

2^1851133 is an apocalyptic number.

It is an amenable number.

1851133 is a deficient number, since it is larger than the sum of its proper divisors (1).

1851133 is an equidigital number, since it uses as much as digits as its factorization.

1851133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 360, while the sum is 22.

The square root of 1851133 is about 1360.5634862071. The cubic root of 1851133 is about 122.7851582610.

The spelling of 1851133 in words is "one million, eight hundred fifty-one thousand, one hundred thirty-three".