212482913 has 4 divisors (see below), whose sum is σ = 219809940. Its totient is φ = 205155888.

The previous prime is 212482889. The next prime is 212482943. The reversal of 212482913 is 319284212.

212482913 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 96963409 + 115519504 = 9847^2 + 10748^2 .

It is a cyclic number.

It is not a de Polignac number, because 212482913 - 2²² = 208288609 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 212482913.

It is not an unprimeable number, because it can be changed into a prime (212482943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3663470 + ... + 3663527.

It is an arithmetic number, because the mean of its divisors is an integer number (54952485).

Almost surely, 2^212482913 is an apocalyptic number.

It is an amenable number.

212482913 is a deficient number, since it is larger than the sum of its proper divisors (7327027).

212482913 is an equidigital number, since it uses as much as digits as its factorization.

212482913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7327026.

The product of its digits is 6912, while the sum is 32.

The square root of 212482913 is about 14576.7936460663. The cubic root of 212482913 is about 596.7256009880.

The spelling of 212482913 in words is "two hundred twelve million, four hundred eighty-two thousand, nine hundred thirteen".