1773423241 has 2 divisors, whose sum is σ = 1773423242. Its totient is φ = 1773423240.

The previous prime is 1773423193. The next prime is 1773423251. The reversal of 1773423241 is 1423243771.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1732973641 + 40449600 = 41629^2 + 6360^2 .

It is an emirp because it is prime and its reverse (1423243771) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1773423241 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1773423197 and 1773423206.

It is not a weakly prime, because it can be changed into another prime (1773423251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 886711620 + 886711621.

It is an arithmetic number, because the mean of its divisors is an integer number (886711621).

Almost surely, 2^1773423241 is an apocalyptic number.

It is an amenable number.

1773423241 is a deficient number, since it is larger than the sum of its proper divisors (1).

1773423241 is an equidigital number, since it uses as much as digits as its factorization.

1773423241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28224, while the sum is 34.

The square root of 1773423241 is about 42112.0320217393. The cubic root of 1773423241 is about 1210.4238300799.

The spelling of 1773423241 in words is "one billion, seven hundred seventy-three million, four hundred twenty-three thousand, two hundred forty-one".