516734542 has 4 divisors (see below), whose sum is σ = 775101816. Its totient is φ = 258367270.

The previous prime is 516734531. The next prime is 516734551. The reversal of 516734542 is 245437615.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 245437615 = 5 ⋅49087523.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129183634 + ... + 129183637.

It is an arithmetic number, because the mean of its divisors is an integer number (193775454).

Almost surely, 2^516734542 is an apocalyptic number.

516734542 is a deficient number, since it is larger than the sum of its proper divisors (258367274).

516734542 is a wasteful number, since it uses less digits than its factorization.

516734542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258367273.

The product of its digits is 100800, while the sum is 37.

The square root of 516734542 is about 22731.7958375488. The cubic root of 516734542 is about 802.4583452271.

The spelling of 516734542 in words is "five hundred sixteen million, seven hundred thirty-four thousand, five hundred forty-two".