493524209 has 2 divisors, whose sum is σ = 493524210. Its totient is φ = 493524208.

The previous prime is 493524197. The next prime is 493524217. The reversal of 493524209 is 902425394.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 420045025 + 73479184 = 20495^2 + 8572^2 .

It is a cyclic number.

It is not a de Polignac number, because 493524209 - 2¹² = 493520113 is a prime.

It is a super-2 number, since 2×493524209² = 487132289738151362, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (492524209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246762104 + 246762105.

It is an arithmetic number, because the mean of its divisors is an integer number (246762105).

Almost surely, 2^493524209 is an apocalyptic number.

It is an amenable number.

493524209 is a deficient number, since it is larger than the sum of its proper divisors (1).

493524209 is an equidigital number, since it uses as much as digits as its factorization.

493524209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 493524209 is about 22215.4047678632. The cubic root of 493524209 is about 790.2590663458.

The spelling of 493524209 in words is "four hundred ninety-three million, five hundred twenty-four thousand, two hundred nine".