512213527 has 16 divisors (see below), whose sum is σ = 605353984. Its totient is φ = 424116000.

The previous prime is 512213509. The next prime is 512213551. The reversal of 512213527 is 725312215.

It is a de Polignac number, because none of the positive numbers 2^k-512213527 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 512213495 and 512213504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (512213557) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141652 + ... + 145222.

It is an arithmetic number, because the mean of its divisors is an integer number (37834624).

Almost surely, 2^512213527 is an apocalyptic number.

512213527 is a deficient number, since it is larger than the sum of its proper divisors (93140457).

512213527 is a wasteful number, since it uses less digits than its factorization.

512213527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4270.

The product of its digits is 4200, while the sum is 28.

The square root of 512213527 is about 22632.1348308108. The cubic root of 512213527 is about 800.1111965226. Note that the first 4 decimals are identical.

The spelling of 512213527 in words is "five hundred twelve million, two hundred thirteen thousand, five hundred twenty-seven".