1783264081 has 2 divisors, whose sum is σ = 1783264082. Its totient is φ = 1783264080.

The previous prime is 1783264061. The next prime is 1783264097. The reversal of 1783264081 is 1804623871.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1696121856 + 87142225 = 41184^2 + 9335^2 .

It is a cyclic number.

It is not a de Polignac number, because 1783264081 - 2¹³ = 1783255889 is a prime.

It is a super-2 number, since 2×1783264081² = 6360061565169549122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1783264001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 891632040 + 891632041.

It is an arithmetic number, because the mean of its divisors is an integer number (891632041).

Almost surely, 2^1783264081 is an apocalyptic number.

It is an amenable number.

1783264081 is a deficient number, since it is larger than the sum of its proper divisors (1).

1783264081 is an equidigital number, since it uses as much as digits as its factorization.

1783264081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 1783264081 is about 42228.7115716310. The cubic root of 1783264081 is about 1212.6586081670.

The spelling of 1783264081 in words is "one billion, seven hundred eighty-three million, two hundred sixty-four thousand, eighty-one".