212560513 has 4 divisors (see below), whose sum is σ = 231884208. Its totient is φ = 193236820.

The previous prime is 212560511. The next prime is 212560547. The reversal of 212560513 is 315065212.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 212560513 - 2¹ = 212560511 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212560511) 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 3 ways as a sum of consecutive naturals, for example, 9661831 + ... + 9661852.

It is an arithmetic number, because the mean of its divisors is an integer number (57971052).

Almost surely, 2^212560513 is an apocalyptic number.

It is an amenable number.

212560513 is a deficient number, since it is larger than the sum of its proper divisors (19323695).

212560513 is a wasteful number, since it uses less digits than its factorization.

212560513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19323694.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 212560513 is about 14579.4551681467. The cubic root of 212560513 is about 596.7982347041.

The spelling of 212560513 in words is "two hundred twelve million, five hundred sixty thousand, five hundred thirteen".