530140931 has 2 divisors, whose sum is σ = 530140932. Its totient is φ = 530140930.

The previous prime is 530140879. The next prime is 530140943. The reversal of 530140931 is 139041035.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 530140931 - 2⁶ = 530140867 is a prime.

It is a super-2 number, since 2×530140931² = 562098813443093522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 530140931.

It is not a weakly prime, because it can be changed into another prime (530140981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265070465 + 265070466.

It is an arithmetic number, because the mean of its divisors is an integer number (265070466).

Almost surely, 2^530140931 is an apocalyptic number.

530140931 is a deficient number, since it is larger than the sum of its proper divisors (1).

530140931 is an equidigital number, since it uses as much as digits as its factorization.

530140931 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 530140931 is about 23024.7894887228. The cubic root of 530140931 is about 809.3389571881.

Adding to 530140931 its reverse (139041035), we get a palindrome (669181966).

The spelling of 530140931 in words is "five hundred thirty million, one hundred forty thousand, nine hundred thirty-one".