516396743 has 4 divisors (see below), whose sum is σ = 546773040. Its totient is φ = 486020448.

The previous prime is 516396731. The next prime is 516396757. The reversal of 516396743 is 347693615.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 516396743 - 2¹⁸ = 516134599 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 516396694 and 516396703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516396773) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15188123 + ... + 15188156.

It is an arithmetic number, because the mean of its divisors is an integer number (136693260).

Almost surely, 2^516396743 is an apocalyptic number.

516396743 is a deficient number, since it is larger than the sum of its proper divisors (30376297).

516396743 is a wasteful number, since it uses less digits than its factorization.

516396743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30376296.

The product of its digits is 408240, while the sum is 44.

The square root of 516396743 is about 22724.3645235681. The cubic root of 516396743 is about 802.2834464517.

The spelling of 516396743 in words is "five hundred sixteen million, three hundred ninety-six thousand, seven hundred forty-three".