2293309 has 2 divisors, whose sum is σ = 2293310. Its totient is φ = 2293308.

The previous prime is 2293303. The next prime is 2293321. The reversal of 2293309 is 9033922.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1968409 + 324900 = 1403^2 + 570^2 .

It is a cyclic number.

It is not a de Polignac number, because 2293309 - 2³ = 2293301 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2293301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1146654 + 1146655.

It is an arithmetic number, because the mean of its divisors is an integer number (1146655).

2^2293309 is an apocalyptic number.

It is an amenable number.

2293309 is a deficient number, since it is larger than the sum of its proper divisors (1).

2293309 is an equidigital number, since it uses as much as digits as its factorization.

2293309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916, while the sum is 28.

The square root of 2293309 is about 1514.3675247442. The cubic root of 2293309 is about 131.8724855207.

The spelling of 2293309 in words is "two million, two hundred ninety-three thousand, three hundred nine".