650793145 has 4 divisors (see below), whose sum is σ = 780951780. Its totient is φ = 520634512.

The previous prime is 650793139. The next prime is 650793179. The reversal of 650793145 is 541397056.

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 479785216 + 171007929 = 21904^2 + 13077^2 .

It is a cyclic number.

It is not a de Polignac number, because 650793145 - 2⁹ = 650792633 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 650793098 and 650793107.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65079310 + ... + 65079319.

It is an arithmetic number, because the mean of its divisors is an integer number (195237945).

Almost surely, 2^650793145 is an apocalyptic number.

It is an amenable number.

650793145 is a deficient number, since it is larger than the sum of its proper divisors (130158635).

650793145 is a wasteful number, since it uses less digits than its factorization.

650793145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130158634.

The product of its (nonzero) digits is 113400, while the sum is 40.

The square root of 650793145 is about 25510.6476789595. The cubic root of 650793145 is about 866.5912971110.

The spelling of 650793145 in words is "six hundred fifty million, seven hundred ninety-three thousand, one hundred forty-five".