606538493 has 4 divisors (see below), whose sum is σ = 661678368. Its totient is φ = 551398620.

The previous prime is 606538487. The next prime is 606538511. The reversal of 606538493 is 394835606.

606538493 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 606538493 - 2⁴ = 606538477 is a prime.

It is a super-2 number, since 2×606538493² = 735777886981422098, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (606538403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27569921 + ... + 27569942.

It is an arithmetic number, because the mean of its divisors is an integer number (165419592).

Almost surely, 2^606538493 is an apocalyptic number.

It is an amenable number.

606538493 is a deficient number, since it is larger than the sum of its proper divisors (55139875).

606538493 is a wasteful number, since it uses less digits than its factorization.

606538493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55139874.

The product of its (nonzero) digits is 466560, while the sum is 44.

The square root of 606538493 is about 24628.0022129283. The cubic root of 606538493 is about 846.4853689527.

The spelling of 606538493 in words is "six hundred six million, five hundred thirty-eight thousand, four hundred ninety-three".