536406449 has 4 divisors (see below), whose sum is σ = 536506740. Its totient is φ = 536306160.

The previous prime is 536406401. The next prime is 536406463. The reversal of 536406449 is 944604635.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 78446449 + 457960000 = 8857^2 + 21400^2 .

It is a cyclic number.

It is not a de Polignac number, because 536406449 - 2¹² = 536402353 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (536406749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41642 + ... + 52979.

It is an arithmetic number, because the mean of its divisors is an integer number (134126685).

Almost surely, 2^536406449 is an apocalyptic number.

It is an amenable number.

536406449 is a deficient number, since it is larger than the sum of its proper divisors (100291).

536406449 is an equidigital number, since it uses as much as digits as its factorization.

536406449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100290.

The product of its (nonzero) digits is 311040, while the sum is 41.

The square root of 536406449 is about 23160.4501035710. The cubic root of 536406449 is about 812.5148931077.

The spelling of 536406449 in words is "five hundred thirty-six million, four hundred six thousand, four hundred forty-nine".