606615001 has 4 divisors (see below), whose sum is σ = 607086900. Its totient is φ = 606143104.

The previous prime is 606614999. The next prime is 606615013. The reversal of 606615001 is 100516606.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 417139776 + 189475225 = 20424^2 + 13765^2 .

It is a cyclic number.

It is not a de Polignac number, because 606615001 - 2¹ = 606614999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (606615091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 234016 + ... + 236593.

It is an arithmetic number, because the mean of its divisors is an integer number (151771725).

Almost surely, 2^606615001 is an apocalyptic number.

It is an amenable number.

606615001 is a deficient number, since it is larger than the sum of its proper divisors (471899).

606615001 is a wasteful number, since it uses less digits than its factorization.

606615001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471898.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 606615001 is about 24629.5554365076. Note that the first 3 decimals coincide. The cubic root of 606615001 is about 846.5209589883.

The spelling of 606615001 in words is "six hundred six million, six hundred fifteen thousand, one".