3208212481 has 4 divisors (see below), whose sum is σ = 3208660272. Its totient is φ = 3207764692.

The previous prime is 3208212479. The next prime is 3208212487. The reversal of 3208212481 is 1842128023.

It is a happy number.

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 3208212481 - 2¹ = 3208212479 is a prime.

It is a super-2 number, since 2×3208212481² = 20585254646488350722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3208212487) 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, 212971 + ... + 227536.

It is an arithmetic number, because the mean of its divisors is an integer number (802165068).

Almost surely, 2^3208212481 is an apocalyptic number.

It is an amenable number.

3208212481 is a deficient number, since it is larger than the sum of its proper divisors (447791).

3208212481 is an equidigital number, since it uses as much as digits as its factorization.

3208212481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447790.

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 3208212481 is about 56641.0847442031. The cubic root of 3208212481 is about 1474.8721491789.

The spelling of 3208212481 in words is "three billion, two hundred eight million, two hundred twelve thousand, four hundred eighty-one".