1840051 has 2 divisors, whose sum is σ = 1840052. Its totient is φ = 1840050.

The previous prime is 1840049. The next prime is 1840057. The reversal of 1840051 is 1500481.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1840051 - 2¹ = 1840049 is a prime.

Together with 1840049, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1840057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 920025 + 920026.

It is an arithmetic number, because the mean of its divisors is an integer number (920026).

2^1840051 is an apocalyptic number.

1840051 is a deficient number, since it is larger than the sum of its proper divisors (1).

1840051 is an equidigital number, since it uses as much as digits as its factorization.

1840051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 1840051 is about 1356.4847953442. The cubic root of 1840051 is about 122.5396456434.

The spelling of 1840051 in words is "one million, eight hundred forty thousand, fifty-one".