516226521 has 8 divisors (see below), whose sum is σ = 702946944. Its totient is φ = 336828560.

The previous prime is 516226493. The next prime is 516226541. The reversal of 516226521 is 125622615.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 516226521 - 2¹⁵ = 516193753 is a prime.

It is not an unprimeable number, because it can be changed into a prime (516226541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1830450 + ... + 1830731.

It is an arithmetic number, because the mean of its divisors is an integer number (87868368).

Almost surely, 2^516226521 is an apocalyptic number.

It is an amenable number.

516226521 is a deficient number, since it is larger than the sum of its proper divisors (186720423).

516226521 is a wasteful number, since it uses less digits than its factorization.

516226521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3661231.

The product of its digits is 7200, while the sum is 30.

The square root of 516226521 is about 22720.6188516070. The cubic root of 516226521 is about 802.1952834240.

The spelling of 516226521 in words is "five hundred sixteen million, two hundred twenty-six thousand, five hundred twenty-one".