2663293 has 2 divisors, whose sum is σ = 2663294. Its totient is φ = 2663292.

The previous prime is 2663279. The next prime is 2663299. The reversal of 2663293 is 3923662.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2617924 + 45369 = 1618^2 + 213^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2663293 is a prime.

It is a nialpdrome in base 12.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2663299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1331646 + 1331647.

It is an arithmetic number, because the mean of its divisors is an integer number (1331647).

2^2663293 is an apocalyptic number.

It is an amenable number.

2663293 is a deficient number, since it is larger than the sum of its proper divisors (1).

2663293 is an equidigital number, since it uses as much as digits as its factorization.

2663293 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11664, while the sum is 31.

The square root of 2663293 is about 1631.9598647026. The cubic root of 2663293 is about 138.6137509461.

The spelling of 2663293 in words is "two million, six hundred sixty-three thousand, two hundred ninety-three".