530499421 has 2 divisors, whose sum is σ = 530499422. Its totient is φ = 530499420.

The previous prime is 530499413. The next prime is 530499427. The reversal of 530499421 is 124994035.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 273538521 + 256960900 = 16539^2 + 16030^2 .

It is a cyclic number.

It is not a de Polignac number, because 530499421 - 2³ = 530499413 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (530499427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265249710 + 265249711.

It is an arithmetic number, because the mean of its divisors is an integer number (265249711).

Almost surely, 2^530499421 is an apocalyptic number.

It is an amenable number.

530499421 is a deficient number, since it is larger than the sum of its proper divisors (1).

530499421 is an equidigital number, since it uses as much as digits as its factorization.

530499421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 530499421 is about 23032.5730434096. The cubic root of 530499421 is about 809.5213455124.

The spelling of 530499421 in words is "five hundred thirty million, four hundred ninety-nine thousand, four hundred twenty-one".