530213623 has 2 divisors, whose sum is σ = 530213624. Its totient is φ = 530213622.

The previous prime is 530213609. The next prime is 530213633. The reversal of 530213623 is 326312035.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 530213623 - 2⁵ = 530213591 is a prime.

It is a super-2 number, since 2×530213623² = 562252972029572258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (530213633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265106811 + 265106812.

It is an arithmetic number, because the mean of its divisors is an integer number (265106812).

Almost surely, 2^530213623 is an apocalyptic number.

530213623 is a deficient number, since it is larger than the sum of its proper divisors (1).

530213623 is an equidigital number, since it uses as much as digits as its factorization.

530213623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 25.

The square root of 530213623 is about 23026.3679941062. The cubic root of 530213623 is about 809.3759472130.

Adding to 530213623 its reverse (326312035), we get a palindrome (856525658).

It can be divided in two parts, 53021 and 3623, that added together give a square (56644 = 238²).

The spelling of 530213623 in words is "five hundred thirty million, two hundred thirteen thousand, six hundred twenty-three".