212648485 has 24 divisors (see below), whose sum is σ = 299505816. Its totient is φ = 144506880.

The previous prime is 212648477. The next prime is 212648497. The reversal of 212648485 is 584846212.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2079364 + 210569121 = 1442^2 + 14511^2 .

It is not a de Polignac number, because 212648485 - 2³ = 212648477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23845 + ... + 31525.

It is an arithmetic number, because the mean of its divisors is an integer number (12479409).

Almost surely, 2^212648485 is an apocalyptic number.

It is an amenable number.

212648485 is a deficient number, since it is larger than the sum of its proper divisors (86857331).

212648485 is a wasteful number, since it uses less digits than its factorization.

212648485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7813 (or 7806 counting only the distinct ones).

The product of its digits is 122880, while the sum is 40.

The square root of 212648485 is about 14582.4718412209. The cubic root of 212648485 is about 596.8805552511.

The spelling of 212648485 in words is "two hundred twelve million, six hundred forty-eight thousand, four hundred eighty-five".