531328047 has 8 divisors (see below), whose sum is σ = 750110256. Its totient is φ = 333382272.

The previous prime is 531328043. The next prime is 531328093. The reversal of 531328047 is 740823135.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 531328047 - 2² = 531328043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 531327999 and 531328017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531328043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5209048 + ... + 5209149.

It is an arithmetic number, because the mean of its divisors is an integer number (93763782).

Almost surely, 2^531328047 is an apocalyptic number.

531328047 is a deficient number, since it is larger than the sum of its proper divisors (218782209).

531328047 is a wasteful number, since it uses less digits than its factorization.

531328047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10418217.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 531328047 is about 23050.5541581976. The cubic root of 531328047 is about 809.9426098647.

The spelling of 531328047 in words is "five hundred thirty-one million, three hundred twenty-eight thousand, forty-seven".