2459993 has 2 divisors, whose sum is σ = 2459994. Its totient is φ = 2459992.

The previous prime is 2459957. The next prime is 2460013. The reversal of 2459993 is 3999542.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2458624 + 1369 = 1568^2 + 37^2 .

It is a cyclic number.

It is not a de Polignac number, because 2459993 - 2¹² = 2455897 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2459993.

It is not a weakly prime, because it can be changed into another prime (2459923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1229996 + 1229997.

It is an arithmetic number, because the mean of its divisors is an integer number (1229997).

2^2459993 is an apocalyptic number.

It is an amenable number.

2459993 is a deficient number, since it is larger than the sum of its proper divisors (1).

2459993 is an equidigital number, since it uses as much as digits as its factorization.

2459993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 87480, while the sum is 41.

The square root of 2459993 is about 1568.4364826157. The cubic root of 2459993 is about 134.9930128986.

The spelling of 2459993 in words is "two million, four hundred fifty-nine thousand, nine hundred ninety-three".