506581934 has 4 divisors (see below), whose sum is σ = 759872904. Its totient is φ = 253290966.

The previous prime is 506581927. The next prime is 506581939. The reversal of 506581934 is 439185605.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 439185605 = 5 ⋅87837121.

It is a junction number, because it is equal to n+sod(n) for n = 506581891 and 506581900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506581939) 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, 126645482 + ... + 126645485.

It is an arithmetic number, because the mean of its divisors is an integer number (189968226).

Almost surely, 2^506581934 is an apocalyptic number.

506581934 is a deficient number, since it is larger than the sum of its proper divisors (253290970).

506581934 is a wasteful number, since it uses less digits than its factorization.

506581934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253290969.

The product of its (nonzero) digits is 129600, while the sum is 41.

The square root of 506581934 is about 22507.3751023970. The cubic root of 506581934 is about 797.1680777241.

The spelling of 506581934 in words is "five hundred six million, five hundred eighty-one thousand, nine hundred thirty-four".