505020034 has 4 divisors (see below), whose sum is σ = 757530054. Its totient is φ = 252510016.

The previous prime is 505020031. The next prime is 505020041. The reversal of 505020034 is 430020505.

It is a happy number.

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., 500193225 + 4826809 = 22365^2 + 2197^2 .

It is a super-2 number, since 2×505020034² = 510090469482722312, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 505019993 and 505020020.

It is not an unprimeable number, because it can be changed into a prime (505020031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126255007 + ... + 126255010.

Almost surely, 2^505020034 is an apocalyptic number.

505020034 is a deficient number, since it is larger than the sum of its proper divisors (252510020).

505020034 is a wasteful number, since it uses less digits than its factorization.

505020034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252510019.

The product of its (nonzero) digits is 600, while the sum is 19.

The square root of 505020034 is about 22472.6508004730. The cubic root of 505020034 is about 796.3479546165.

Adding to 505020034 its reverse (430020505), we get a palindrome (935040539).

The spelling of 505020034 in words is "five hundred five million, twenty thousand, thirty-four".