2473309 has 2 divisors, whose sum is σ = 2473310. Its totient is φ = 2473308.

The previous prime is 2473301. The next prime is 2473321. The reversal of 2473309 is 9033742.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2295225 + 178084 = 1515^2 + 422^2 .

It is a cyclic number.

It is not a de Polignac number, because 2473309 - 2³ = 2473301 is a prime.

It is a super-2 number, since 2×2473309² = 12234514818962, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2473301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1236654 + 1236655.

It is an arithmetic number, because the mean of its divisors is an integer number (1236655).

2^2473309 is an apocalyptic number.

It is an amenable number.

2473309 is a deficient number, since it is larger than the sum of its proper divisors (1).

2473309 is an equidigital number, since it uses as much as digits as its factorization.

2473309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 2473309 is about 1572.6757453461. The cubic root of 2473309 is about 135.2361481777.

The spelling of 2473309 in words is "two million, four hundred seventy-three thousand, three hundred nine".