2381773 has 2 divisors, whose sum is σ = 2381774. Its totient is φ = 2381772.

The previous prime is 2381749. The next prime is 2381777. The reversal of 2381773 is 3771832.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2350089 + 31684 = 1533^2 + 178^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2381773 is a prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2381777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1190886 + 1190887.

It is an arithmetic number, because the mean of its divisors is an integer number (1190887).

2^2381773 is an apocalyptic number.

It is an amenable number.

2381773 is a deficient number, since it is larger than the sum of its proper divisors (1).

2381773 is an equidigital number, since it uses as much as digits as its factorization.

2381773 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7056, while the sum is 31.

The square root of 2381773 is about 1543.2993876756. The cubic root of 2381773 is about 133.5467907261.

It can be divided in two parts, 23 and 81773, that added together give a square (81796 = 286²).

The spelling of 2381773 in words is "two million, three hundred eighty-one thousand, seven hundred seventy-three".