650674523 has 4 divisors (see below), whose sum is σ = 653075808. Its totient is φ = 648273240.

The previous prime is 650674483. The next prime is 650674559. The reversal of 650674523 is 325476056.

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

It is a cyclic number.

It is not a de Polignac number, because 650674523 - 2¹⁸ = 650412379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (650674723) 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, 1200236 + ... + 1200777.

It is an arithmetic number, because the mean of its divisors is an integer number (163268952).

Almost surely, 2^650674523 is an apocalyptic number.

650674523 is a deficient number, since it is larger than the sum of its proper divisors (2401285).

650674523 is a wasteful number, since it uses less digits than its factorization.

650674523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2401284.

The product of its (nonzero) digits is 151200, while the sum is 38.

The square root of 650674523 is about 25508.3226222345. The cubic root of 650674523 is about 866.5386418549.

The spelling of 650674523 in words is "six hundred fifty million, six hundred seventy-four thousand, five hundred twenty-three".