2190593 has 2 divisors, whose sum is σ = 2190594. Its totient is φ = 2190592.

The previous prime is 2190583. The next prime is 2190599. The reversal of 2190593 is 3950912.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1329409 + 861184 = 1153^2 + 928^2 .

It is a cyclic number.

It is not a de Polignac number, because 2190593 - 2⁴ = 2190577 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2190599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1095296 + 1095297.

It is an arithmetic number, because the mean of its divisors is an integer number (1095297).

2^2190593 is an apocalyptic number.

It is an amenable number.

2190593 is a deficient number, since it is larger than the sum of its proper divisors (1).

2190593 is an equidigital number, since it uses as much as digits as its factorization.

2190593 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2430, while the sum is 29.

The square root of 2190593 is about 1480.0652012665. The cubic root of 2190593 is about 129.8735061490.

The spelling of 2190593 in words is "two million, one hundred ninety thousand, five hundred ninety-three".