520498449 has 24 divisors (see below), whose sum is σ = 762495552. Its totient is φ = 342108000.

The previous prime is 520498439. The next prime is 520498457. The reversal of 520498449 is 944894025.

520498449 is a `hidden beast` number, since 520 + 4 + 9 + 84 + 49 = 666.

It is not a de Polignac number, because 520498449 - 2⁸ = 520498193 is a prime.

It is a super-2 number, since 2×520498449² = 541837270822811202, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (520498439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 231559 + ... + 233795.

It is an arithmetic number, because the mean of its divisors is an integer number (31770648).

Almost surely, 2^520498449 is an apocalyptic number.

It is an amenable number.

520498449 is a deficient number, since it is larger than the sum of its proper divisors (241997103).

520498449 is a wasteful number, since it uses less digits than its factorization.

520498449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2597 (or 2594 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The square root of 520498449 is about 22814.4351014878. The cubic root of 520498449 is about 804.4020089894.

The spelling of 520498449 in words is "five hundred twenty million, four hundred ninety-eight thousand, four hundred forty-nine".