530073421 has 4 divisors (see below), whose sum is σ = 531218752. Its totient is φ = 528928092.

The previous prime is 530073391. The next prime is 530073437. The reversal of 530073421 is 124370035.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 530073421 - 2⁷ = 530073293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (530073451) 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, 571971 + ... + 572896.

It is an arithmetic number, because the mean of its divisors is an integer number (132804688).

Almost surely, 2^530073421 is an apocalyptic number.

It is an amenable number.

530073421 is a deficient number, since it is larger than the sum of its proper divisors (1145331).

530073421 is a wasteful number, since it uses less digits than its factorization.

530073421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1145330.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 530073421 is about 23023.3234134432. The cubic root of 530073421 is about 809.3046010454.

The spelling of 530073421 in words is "five hundred thirty million, seventy-three thousand, four hundred twenty-one".