606533947 has 2 divisors, whose sum is σ = 606533948. Its totient is φ = 606533946.

The previous prime is 606533929. The next prime is 606533953. The reversal of 606533947 is 749335606.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-606533947 is a prime.

It is not a weakly prime, because it can be changed into another prime (606533047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 303266973 + 303266974.

It is an arithmetic number, because the mean of its divisors is an integer number (303266974).

Almost surely, 2^606533947 is an apocalyptic number.

606533947 is a deficient number, since it is larger than the sum of its proper divisors (1).

606533947 is an equidigital number, since it uses as much as digits as its factorization.

606533947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 408240, while the sum is 43.

The square root of 606533947 is about 24627.9099194390. The cubic root of 606533947 is about 846.4832541475.

The spelling of 606533947 in words is "six hundred six million, five hundred thirty-three thousand, nine hundred forty-seven".