509580469 has 2 divisors, whose sum is σ = 509580470. Its totient is φ = 509580468.

The previous prime is 509580413. The next prime is 509580473. The reversal of 509580469 is 964085905.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 507916369 + 1664100 = 22537^2 + 1290^2 .

It is a cyclic number.

It is not a de Polignac number, because 509580469 - 2¹⁷ = 509449397 is a prime.

It is a super-2 number, since 2×509580469² = 519344508772519922, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (509587469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 254790234 + 254790235.

It is an arithmetic number, because the mean of its divisors is an integer number (254790235).

Almost surely, 2^509580469 is an apocalyptic number.

It is an amenable number.

509580469 is a deficient number, since it is larger than the sum of its proper divisors (1).

509580469 is an equidigital number, since it uses as much as digits as its factorization.

509580469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 388800, while the sum is 46.

The square root of 509580469 is about 22573.8890978050. The cubic root of 509580469 is about 798.7378373332.

The spelling of 509580469 in words is "five hundred nine million, five hundred eighty thousand, four hundred sixty-nine".