470502509 has 2 divisors, whose sum is σ = 470502510. Its totient is φ = 470502508.

The previous prime is 470502503. The next prime is 470502551. The reversal of 470502509 is 905205074.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 370562500 + 99940009 = 19250^2 + 9997^2 .

It is a cyclic number.

It is not a de Polignac number, because 470502509 - 2¹⁶ = 470436973 is a prime.

It is a super-2 number, since 2×470502509² = 442745221950590162, 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 (470502503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 235251254 + 235251255.

It is an arithmetic number, because the mean of its divisors is an integer number (235251255).

Almost surely, 2^470502509 is an apocalyptic number.

It is an amenable number.

470502509 is a deficient number, since it is larger than the sum of its proper divisors (1).

470502509 is an equidigital number, since it uses as much as digits as its factorization.

470502509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 470502509 is about 21691.0697984217. The cubic root of 470502509 is about 777.7750030596.

The spelling of 470502509 in words is "four hundred seventy million, five hundred two thousand, five hundred nine".