511030449 has 6 divisors (see below), whose sum is σ = 738155106. Its totient is φ = 340686960.

The previous prime is 511030427. The next prime is 511030451. The reversal of 511030449 is 944030115.

It can be written as a sum of positive squares in only one way, i.e., 472279824 + 38750625 = 21732^2 + 6225^2 .

It is not a de Polignac number, because 511030449 - 2⁸ = 511030193 is a prime.

It is a super-2 number, since 2×511030449² = 522304239610283202, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (511030459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28390572 + ... + 28390589.

It is an arithmetic number, because the mean of its divisors is an integer number (123025851).

Almost surely, 2^511030449 is an apocalyptic number.

It is an amenable number.

511030449 is a deficient number, since it is larger than the sum of its proper divisors (227124657).

511030449 is a wasteful number, since it uses less digits than its factorization.

511030449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56781167 (or 56781164 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 511030449 is about 22605.9825931102. The cubic root of 511030449 is about 799.4947064360.

The spelling of 511030449 in words is "five hundred eleven million, thirty thousand, four hundred forty-nine".