530143765 has 8 divisors (see below), whose sum is σ = 636923448. Its totient is φ = 423614400.

The previous prime is 530143717. The next prime is 530143777. The reversal of 530143765 is 567341035.

It can be written as a sum of positive squares in 4 ways, for example, as 46539684 + 483604081 = 6822^2 + 21991^2 .

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

It is not a de Polignac number, because 530143765 - 2¹⁹ = 529619477 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 530143765.

It is a congruent number.

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, 57886 + ... + 66415.

It is an arithmetic number, because the mean of its divisors is an integer number (79615431).

Almost surely, 2^530143765 is an apocalyptic number.

It is an amenable number.

530143765 is a deficient number, since it is larger than the sum of its proper divisors (106779683).

530143765 is a wasteful number, since it uses less digits than its factorization.

530143765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125159.

The product of its (nonzero) digits is 37800, while the sum is 34.

The square root of 530143765 is about 23024.8510310056. The cubic root of 530143765 is about 809.3403993596.

The spelling of 530143765 in words is "five hundred thirty million, one hundred forty-three thousand, seven hundred sixty-five".