650977452 has 48 divisors (see below), whose sum is σ = 1691464320. Its totient is φ = 216511056.

The previous prime is 650977451. The next prime is 650977477. The reversal of 650977452 is 254779056.

It is a junction number, because it is equal to n+sod(n) for n = 650977398 and 650977407.

It is not an unprimeable number, because it can be changed into a prime (650977451) 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 15 ways as a sum of consecutive naturals, for example, 43983 + ... + 56889.

It is an arithmetic number, because the mean of its divisors is an integer number (35238840).

Almost surely, 2^650977452 is an apocalyptic number.

It is an amenable number.

650977452 is an abundant number, since it is smaller than the sum of its proper divisors (1040486868).

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

650977452 is a wasteful number, since it uses less digits than its factorization.

650977452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13387 (or 13379 counting only the distinct ones).

The product of its (nonzero) digits is 529200, while the sum is 45.

The square root of 650977452 is about 25514.2597776224. The cubic root of 650977452 is about 866.6730966650.

The spelling of 650977452 in words is "six hundred fifty million, nine hundred seventy-seven thousand, four hundred fifty-two".