3211954061 has 4 divisors (see below), whose sum is σ = 3216699132. Its totient is φ = 3207208992.

The previous prime is 3211954027. The next prime is 3211954087. The reversal of 3211954061 is 1604591123.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1604591123 = 2677 ⋅599399.

It can be written as a sum of positive squares in 2 ways, for example, as 2652868036 + 559086025 = 51506^2 + 23645^2 .

It is a cyclic number.

It is not a de Polignac number, because 3211954061 - 2¹⁰ = 3211953037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3211954561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2371520 + ... + 2372873.

It is an arithmetic number, because the mean of its divisors is an integer number (804174783).

Almost surely, 2^3211954061 is an apocalyptic number.

It is an amenable number.

3211954061 is a deficient number, since it is larger than the sum of its proper divisors (4745071).

3211954061 is an equidigital number, since it uses as much as digits as its factorization.

3211954061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4745070.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 3211954061 is about 56674.1039717436. The cubic root of 3211954061 is about 1475.4452833148.

The spelling of 3211954061 in words is "three billion, two hundred eleven million, nine hundred fifty-four thousand, sixty-one".