530440087 has 4 divisors (see below), whose sum is σ = 530872920. Its totient is φ = 530007256.

The previous prime is 530440067. The next prime is 530440109. The reversal of 530440087 is 780044035.

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

It is a cyclic number.

It is not a de Polignac number, because 530440087 - 2²³ = 522051479 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (530440067) 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, 214573 + ... + 217030.

It is an arithmetic number, because the mean of its divisors is an integer number (132718230).

Almost surely, 2^530440087 is an apocalyptic number.

530440087 is a deficient number, since it is larger than the sum of its proper divisors (432833).

530440087 is a wasteful number, since it uses less digits than its factorization.

530440087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432832.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 530440087 is about 23031.2849619816. The cubic root of 530440087 is about 809.4911639335.

The spelling of 530440087 in words is "five hundred thirty million, four hundred forty thousand, eighty-seven".