212917483 has 4 divisors (see below), whose sum is σ = 216934848. Its totient is φ = 208900120.

The previous prime is 212917451. The next prime is 212917487. The reversal of 212917483 is 384719212.

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

It is a cyclic number.

It is not a de Polignac number, because 212917483 - 2⁵ = 212917451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212917487) 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, 2008603 + ... + 2008708.

It is an arithmetic number, because the mean of its divisors is an integer number (54233712).

Almost surely, 2^212917483 is an apocalyptic number.

212917483 is a deficient number, since it is larger than the sum of its proper divisors (4017365).

212917483 is an equidigital number, since it uses as much as digits as its factorization.

212917483 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4017364.

The product of its digits is 24192, while the sum is 37.

The square root of 212917483 is about 14591.6922596387. The cubic root of 212917483 is about 597.1321316512.

The spelling of 212917483 in words is "two hundred twelve million, nine hundred seventeen thousand, four hundred eighty-three".