531346345 has 8 divisors (see below), whose sum is σ = 665338176. Its totient is φ = 406595376.

The previous prime is 531346303. The next prime is 531346363. The reversal of 531346345 is 543643135.

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

It is a cyclic number.

It is not a de Polignac number, because 531346345 - 2¹³ = 531338153 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 531346345.

It is an unprimeable number.

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, 2310087 + ... + 2310316.

It is an arithmetic number, because the mean of its divisors is an integer number (83167272).

Almost surely, 2^531346345 is an apocalyptic number.

It is an amenable number.

531346345 is a deficient number, since it is larger than the sum of its proper divisors (133991831).

531346345 is a wasteful number, since it uses less digits than its factorization.

531346345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4620431.

The product of its digits is 64800, while the sum is 34.

The square root of 531346345 is about 23050.9510649778. The cubic root of 531346345 is about 809.9519074225.

The spelling of 531346345 in words is "five hundred thirty-one million, three hundred forty-six thousand, three hundred forty-five".