606390593 has 2 divisors, whose sum is σ = 606390594. Its totient is φ = 606390592.

The previous prime is 606390581. The next prime is 606390619. The reversal of 606390593 is 395093606.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 580665409 + 25725184 = 24097^2 + 5072^2 .

It is a cyclic number.

It is not a de Polignac number, because 606390593 - 2¹² = 606386497 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 606390593.

It is not a weakly prime, because it can be changed into another prime (606390523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 303195296 + 303195297.

It is an arithmetic number, because the mean of its divisors is an integer number (303195297).

Almost surely, 2^606390593 is an apocalyptic number.

It is an amenable number.

606390593 is a deficient number, since it is larger than the sum of its proper divisors (1).

606390593 is an equidigital number, since it uses as much as digits as its factorization.

606390593 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 131220, while the sum is 41.

The square root of 606390593 is about 24624.9993502538. Note that the first 3 decimals coincide. The cubic root of 606390593 is about 846.4165602593.

The spelling of 606390593 in words is "six hundred six million, three hundred ninety thousand, five hundred ninety-three".