650547412 has 6 divisors (see below), whose sum is σ = 1138457978. Its totient is φ = 325273704.

The previous prime is 650547409. The next prime is 650547413. The reversal of 650547412 is 214745056.

It can be written as a sum of positive squares in only one way, i.e., 617323716 + 33223696 = 24846^2 + 5764^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (650547413) 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 as a sum of consecutive naturals, namely, 81318423 + ... + 81318430.

Almost surely, 2^650547412 is an apocalyptic number.

It is an amenable number.

650547412 is a deficient number, since it is larger than the sum of its proper divisors (487910566).

650547412 is a wasteful number, since it uses less digits than its factorization.

650547412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162636857 (or 162636855 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 650547412 is about 25505.8309411789. The cubic root of 650547412 is about 866.4822113034.

The spelling of 650547412 in words is "six hundred fifty million, five hundred forty-seven thousand, four hundred twelve".