531046730 has 16 divisors (see below), whose sum is σ = 956775240. Its totient is φ = 212220672.

The previous prime is 531046727. The next prime is 531046759. The reversal of 531046730 is 37640135.

It can be written as a sum of positive squares in 4 ways, for example, as 510895609 + 20151121 = 22603^2 + 4489^2 .

It is a junction number, because it is equal to n+sod(n) for n = 531046693 and 531046702.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13235 + ... + 35174.

Almost surely, 2^531046730 is an apocalyptic number.

531046730 is a deficient number, since it is larger than the sum of its proper divisors (425728510).

531046730 is a wasteful number, since it uses less digits than its factorization.

531046730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49513.

The product of its (nonzero) digits is 7560, while the sum is 29.

The square root of 531046730 is about 23044.4511759339. The cubic root of 531046730 is about 809.7996405316.

Adding to 531046730 its reverse (37640135), we get a palindrome (568686865).

The spelling of 531046730 in words is "five hundred thirty-one million, forty-six thousand, seven hundred thirty".