516123002 has 4 divisors (see below), whose sum is σ = 774184506. Its totient is φ = 258061500.

The previous prime is 516123001. The next prime is 516123007. The reversal of 516123002 is 200321615.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 503598481 + 12524521 = 22441^2 + 3539^2 .

It is not an unprimeable number, because it can be changed into a prime (516123001) 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 as a sum of consecutive naturals, namely, 129030749 + ... + 129030752.

Almost surely, 2^516123002 is an apocalyptic number.

516123002 is a deficient number, since it is larger than the sum of its proper divisors (258061504).

516123002 is a wasteful number, since it uses less digits than its factorization.

516123002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258061503.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 516123002 is about 22718.3406524332. The cubic root of 516123002 is about 802.1416583830.

Adding to 516123002 its reverse (200321615), we get a palindrome (716444617).

The spelling of 516123002 in words is "five hundred sixteen million, one hundred twenty-three thousand, two".