531068929 has 4 divisors (see below), whose sum is σ = 534633300. Its totient is φ = 527504560.

The previous prime is 531068917. The next prime is 531068969. The reversal of 531068929 is 929860135.

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 2 ways, for example, as 333610225 + 197458704 = 18265^2 + 14052^2 .

It is a cyclic number.

It is not a de Polignac number, because 531068929 - 2⁵ = 531068897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (531068969) 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, 1781962 + ... + 1782259.

It is an arithmetic number, because the mean of its divisors is an integer number (133658325).

Almost surely, 2^531068929 is an apocalyptic number.

It is an amenable number.

531068929 is a deficient number, since it is larger than the sum of its proper divisors (3564371).

531068929 is a wasteful number, since it uses less digits than its factorization.

531068929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3564370.

The product of its (nonzero) digits is 116640, while the sum is 43.

The square root of 531068929 is about 23044.9328269796. The cubic root of 531068929 is about 809.8109242164.

The spelling of 531068929 in words is "five hundred thirty-one million, sixty-eight thousand, nine hundred twenty-nine".