531040799 has 4 divisors (see below), whose sum is σ = 531743064. Its totient is φ = 530338536.

The previous prime is 531040753. The next prime is 531040847. The reversal of 531040799 is 997040135.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-531040799 is a prime.

It is a super-3 number, since 3×531040799³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531040099) 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 in 3 ways as a sum of consecutive naturals, for example, 349997 + ... + 351510.

It is an arithmetic number, because the mean of its divisors is an integer number (132935766).

Almost surely, 2^531040799 is an apocalyptic number.

531040799 is a deficient number, since it is larger than the sum of its proper divisors (702265).

531040799 is an equidigital number, since it uses as much as digits as its factorization.

531040799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 702264.

The product of its (nonzero) digits is 34020, while the sum is 38.

The square root of 531040799 is about 23044.3224894984. The cubic root of 531040799 is about 809.7966257689.

The spelling of 531040799 in words is "five hundred thirty-one million, forty thousand, seven hundred ninety-nine".