606204561 has 4 divisors (see below), whose sum is σ = 808272752. Its totient is φ = 404136372.

The previous prime is 606204553. The next prime is 606204589. The reversal of 606204561 is 165402606.

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 not a de Polignac number, because 606204561 - 2³ = 606204553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (606204551) 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, 101034091 + ... + 101034096.

It is an arithmetic number, because the mean of its divisors is an integer number (202068188).

Almost surely, 2^606204561 is an apocalyptic number.

It is an amenable number.

606204561 is a deficient number, since it is larger than the sum of its proper divisors (202068191).

606204561 is a wasteful number, since it uses less digits than its factorization.

606204561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202068190.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 606204561 is about 24621.2217609119. The cubic root of 606204561 is about 846.3299952234.

The spelling of 606204561 in words is "six hundred six million, two hundred four thousand, five hundred sixty-one".