1795813 has 2 divisors, whose sum is σ = 1795814. Its totient is φ = 1795812.

The previous prime is 1795811. The next prime is 1795837. The reversal of 1795813 is 3185971.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1532644 + 263169 = 1238^2 + 513^2 .

It is a cyclic number.

It is not a de Polignac number, because 1795813 - 2¹ = 1795811 is a prime.

Together with 1795811, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1795811) 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, 897906 + 897907.

It is an arithmetic number, because the mean of its divisors is an integer number (897907).

2^1795813 is an apocalyptic number.

It is an amenable number.

1795813 is a deficient number, since it is larger than the sum of its proper divisors (1).

1795813 is an equidigital number, since it uses as much as digits as its factorization.

1795813 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7560, while the sum is 34.

The square root of 1795813 is about 1340.0794752551. The cubic root of 1795813 is about 121.5496475002.

It can be divided in two parts, 17958 and 13, that added together give a palindrome (17971).

The spelling of 1795813 in words is "one million, seven hundred ninety-five thousand, eight hundred thirteen".