1675092721 has 2 divisors, whose sum is σ = 1675092722. Its totient is φ = 1675092720.

The previous prime is 1675092673. The next prime is 1675092767. The reversal of 1675092721 is 1272905761.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1467732721 + 207360000 = 38311^2 + 14400^2 .

It is an emirp because it is prime and its reverse (1272905761) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1675092721 - 2⁷ = 1675092593 is a prime.

It is not a weakly prime, because it can be changed into another prime (1675092791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 837546360 + 837546361.

It is an arithmetic number, because the mean of its divisors is an integer number (837546361).

Almost surely, 2^1675092721 is an apocalyptic number.

It is an amenable number.

1675092721 is a deficient number, since it is larger than the sum of its proper divisors (1).

1675092721 is an equidigital number, since it uses as much as digits as its factorization.

1675092721 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52920, while the sum is 40.

The square root of 1675092721 is about 40927.8966109914. The cubic root of 1675092721 is about 1187.6257822221.

The spelling of 1675092721 in words is "one billion, six hundred seventy-five million, ninety-two thousand, seven hundred twenty-one".