530897140 has 24 divisors (see below), whose sum is σ = 1115712360. Its totient is φ = 212201088.

The previous prime is 530897137. The next prime is 530897167. The reversal of 530897140 is 41798035.

It can be written as a sum of positive squares in 4 ways, for example, as 247244176 + 283652964 = 15724^2 + 16842^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 530897140.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 19926 + ... + 38194.

It is an arithmetic number, because the mean of its divisors is an integer number (46488015).

Almost surely, 2^530897140 is an apocalyptic number.

It is an amenable number.

530897140 is an abundant number, since it is smaller than the sum of its proper divisors (584815220).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

530897140 is a wasteful number, since it uses less digits than its factorization.

530897140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19731 (or 19729 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 530897140 is about 23041.2052636141. The cubic root of 530897140 is about 809.7235961852.

The spelling of 530897140 in words is "five hundred thirty million, eight hundred ninety-seven thousand, one hundred forty".