650901612 has 12 divisors (see below), whose sum is σ = 1518770456. Its totient is φ = 216967200.

The previous prime is 650901569. The next prime is 650901613. The reversal of 650901612 is 216109056.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 650901612.

It is not an unprimeable number, because it can be changed into a prime (650901613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27120889 + ... + 27120912.

Almost surely, 2^650901612 is an apocalyptic number.

It is an amenable number.

650901612 is an abundant number, since it is smaller than the sum of its proper divisors (867868844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

650901612 is a wasteful number, since it uses less digits than its factorization.

650901612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54241808 (or 54241806 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 650901612 is about 25512.7735066182. The cubic root of 650901612 is about 866.6394390526.

The spelling of 650901612 in words is "six hundred fifty million, nine hundred one thousand, six hundred twelve".