530371493 has 2 divisors, whose sum is σ = 530371494. Its totient is φ = 530371492.

The previous prime is 530371441. The next prime is 530371507. The reversal of 530371493 is 394173035.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 529828324 + 543169 = 23018^2 + 737^2 .

It is a cyclic number.

It is not a de Polignac number, because 530371493 - 2¹⁴ = 530355109 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (530371403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265185746 + 265185747.

It is an arithmetic number, because the mean of its divisors is an integer number (265185747).

Almost surely, 2^530371493 is an apocalyptic number.

It is an amenable number.

530371493 is a deficient number, since it is larger than the sum of its proper divisors (1).

530371493 is an equidigital number, since it uses as much as digits as its factorization.

530371493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34020, while the sum is 35.

The square root of 530371493 is about 23029.7957654861. The cubic root of 530371493 is about 809.4562692414.

The spelling of 530371493 in words is "five hundred thirty million, three hundred seventy-one thousand, four hundred ninety-three".