536518449 has 12 divisors (see below), whose sum is σ = 775558212. Its totient is φ = 357408000.

The previous prime is 536518403. The next prime is 536518469. The reversal of 536518449 is 944815635.

It can be written as a sum of positive squares in 2 ways, for example, as 184280625 + 352237824 = 13575^2 + 18768^2 .

It is not a de Polignac number, because 536518449 - 2⁸ = 536518193 is a prime.

It is a super-2 number, since 2×536518449² = 575704092234731202, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (536518469) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9652 + ... + 34149.

It is an arithmetic number, because the mean of its divisors is an integer number (64629851).

Almost surely, 2^536518449 is an apocalyptic number.

It is an amenable number.

536518449 is a deficient number, since it is larger than the sum of its proper divisors (239039763).

536518449 is a wasteful number, since it uses less digits than its factorization.

536518449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45168 (or 45165 counting only the distinct ones).

The product of its digits is 518400, while the sum is 45.

The square root of 536518449 is about 23162.8678923833. The cubic root of 536518449 is about 812.5714393674.

The spelling of 536518449 in words is "five hundred thirty-six million, five hundred eighteen thousand, four hundred forty-nine".