609071045 has 24 divisors (see below), whose sum is σ = 809797632. Its totient is φ = 439417440.

The previous prime is 609071041. The next prime is 609071069. The reversal of 609071045 is 540170906.

It is a happy number.

It is not a de Polignac number, because 609071045 - 2² = 609071041 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (609071041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 72872 + ... + 80798.

It is an arithmetic number, because the mean of its divisors is an integer number (33741568).

Almost surely, 2^609071045 is an apocalyptic number.

It is an amenable number.

609071045 is a deficient number, since it is larger than the sum of its proper divisors (200726587).

609071045 is a wasteful number, since it uses less digits than its factorization.

609071045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8081 (or 8070 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 609071045 is about 24679.3647608685. The cubic root of 609071045 is about 847.6618765341.

The spelling of 609071045 in words is "six hundred nine million, seventy-one thousand, forty-five".