516420333 has 64 divisors (see below), whose sum is σ = 914457600. Its totient is φ = 283884480.

The previous prime is 516420319. The next prime is 516420341. The reversal of 516420333 is 333024615.

It is a happy number.

It is not a de Polignac number, because 516420333 - 2⁵ = 516420301 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 516420297 and 516420306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516420353) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 226666 + ... + 228932.

It is an arithmetic number, because the mean of its divisors is an integer number (14288400).

Almost surely, 2^516420333 is an apocalyptic number.

It is an amenable number.

516420333 is a deficient number, since it is larger than the sum of its proper divisors (398037267).

516420333 is a wasteful number, since it uses less digits than its factorization.

516420333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2359 (or 2353 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The square root of 516420333 is about 22724.8835640581. The cubic root of 516420333 is about 802.2956628845.

Adding to 516420333 its reverse (333024615), we get a palindrome (849444948).

The spelling of 516420333 in words is "five hundred sixteen million, four hundred twenty thousand, three hundred thirty-three".