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530445131 is a prime number
BaseRepresentation
bin11111100111011…
…111001101001011
31100222010101220222
4133213133031023
52041243221011
6124345140255
716100465156
oct3747371513
91328111828
10530445131
11252471307
1212978a68b
1385b84878
145063cc9d
153187dddb
hex1f9df34b

530445131 has 2 divisors, whose sum is σ = 530445132. Its totient is φ = 530445130.

The previous prime is 530445127. The next prime is 530445133. The reversal of 530445131 is 131544035.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 530445131 - 22 = 530445127 is a prime.

It is a super-2 number, since 2×5304451312 = 562744074003214322, which contains 22 as substring.

Together with 530445133, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 530445131.

It is not a weakly prime, because it can be changed into another prime (530445133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265222565 + 265222566.

It is an arithmetic number, because the mean of its divisors is an integer number (265222566).

Almost surely, 2530445131 is an apocalyptic number.

530445131 is a deficient number, since it is larger than the sum of its proper divisors (1).

530445131 is an equidigital number, since it uses as much as digits as its factorization.

530445131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 530445131 is about 23031.3944649472. The cubic root of 530445131 is about 809.4937297656.

Adding to 530445131 its reverse (131544035), we get a palindrome (661989166).

The spelling of 530445131 in words is "five hundred thirty million, four hundred forty-five thousand, one hundred thirty-one".