511233201 has 10 divisors (see below), whose sum is σ = 763694162. Its totient is φ = 340822080.

The previous prime is 511233193. The next prime is 511233211. The reversal of 511233201 is 102332115.

It can be written as a sum of positive squares in only one way, i.e., 510714801 + 518400 = 22599^2 + 720^2 .

It is not a de Polignac number, because 511233201 - 2³ = 511233193 is a prime.

It is a super-2 number, since 2×511233201² = 522718771609412802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (511233211) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 3155680 + ... + 3155841.

Almost surely, 2^511233201 is an apocalyptic number.

It is an amenable number.

511233201 is a deficient number, since it is larger than the sum of its proper divisors (252460961).

511233201 is an equidigital number, since it uses as much as digits as its factorization.

511233201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6311533 (or 6311524 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 511233201 is about 22610.4666249947. The cubic root of 511233201 is about 799.6004259798.

Adding to 511233201 its reverse (102332115), we get a palindrome (613565316).

The spelling of 511233201 in words is "five hundred eleven million, two hundred thirty-three thousand, two hundred one".