530503401 has 4 divisors (see below), whose sum is σ = 707337872. Its totient is φ = 353668932.

The previous prime is 530503361. The next prime is 530503433. The reversal of 530503401 is 104305035.

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 not a de Polignac number, because 530503401 - 2¹⁰ = 530502377 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (530503451) 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, 88417231 + ... + 88417236.

It is an arithmetic number, because the mean of its divisors is an integer number (176834468).

Almost surely, 2^530503401 is an apocalyptic number.

It is an amenable number.

530503401 is a deficient number, since it is larger than the sum of its proper divisors (176834471).

530503401 is a wasteful number, since it uses less digits than its factorization.

530503401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176834470.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 530503401 is about 23032.6594426262. The cubic root of 530503401 is about 809.5233699487.

Adding to 530503401 its reverse (104305035), we get a palindrome (634808436).

The spelling of 530503401 in words is "five hundred thirty million, five hundred three thousand, four hundred one".