501616322 has 4 divisors (see below), whose sum is σ = 752424486. Its totient is φ = 250808160.

The previous prime is 501616303. The next prime is 501616343. The reversal of 501616322 is 223616105.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 223616105 = 5 ⋅44723221.

It can be written as a sum of positive squares in only one way, i.e., 498227041 + 3389281 = 22321^2 + 1841^2 .

It is a junction number, because it is equal to n+sod(n) for n = 501616291 and 501616300.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125404079 + ... + 125404082.

Almost surely, 2^501616322 is an apocalyptic number.

501616322 is a deficient number, since it is larger than the sum of its proper divisors (250808164).

501616322 is a wasteful number, since it uses less digits than its factorization.

501616322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250808163.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 501616322 is about 22396.7926721663. The cubic root of 501616322 is about 794.5548564766.

The spelling of 501616322 in words is "five hundred one million, six hundred sixteen thousand, three hundred twenty-two".