495535309 has 2 divisors, whose sum is σ = 495535310. Its totient is φ = 495535308.

The previous prime is 495535303. The next prime is 495535343. The reversal of 495535309 is 903535594.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 352613284 + 142922025 = 18778^2 + 11955^2 .

It is a cyclic number.

It is not a de Polignac number, because 495535309 - 2³ = 495535301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (495535301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247767654 + 247767655.

It is an arithmetic number, because the mean of its divisors is an integer number (247767655).

Almost surely, 2^495535309 is an apocalyptic number.

It is an amenable number.

495535309 is a deficient number, since it is larger than the sum of its proper divisors (1).

495535309 is an equidigital number, since it uses as much as digits as its factorization.

495535309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 364500, while the sum is 43.

The square root of 495535309 is about 22260.6223857286. The cubic root of 495535309 is about 791.3310408506.

The spelling of 495535309 in words is "four hundred ninety-five million, five hundred thirty-five thousand, three hundred nine".