3212570981 has 2 divisors, whose sum is σ = 3212570982. Its totient is φ = 3212570980.

The previous prime is 3212570969. The next prime is 3212570993. The reversal of 3212570981 is 1890752123.

It is a balanced prime because it is at equal distance from previous prime (3212570969) and next prime (3212570993).

It can be written as a sum of positive squares in only one way, i.e., 3208202881 + 4368100 = 56641^2 + 2090^2 .

It is a cyclic number.

It is not a de Polignac number, because 3212570981 - 2¹⁸ = 3212308837 is a prime.

It is a super-2 number, since 2×3212570981² = 20641224615926604722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3212570941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1606285490 + 1606285491.

It is an arithmetic number, because the mean of its divisors is an integer number (1606285491).

Almost surely, 2^3212570981 is an apocalyptic number.

It is an amenable number.

3212570981 is a deficient number, since it is larger than the sum of its proper divisors (1).

3212570981 is an equidigital number, since it uses as much as digits as its factorization.

3212570981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 3212570981 is about 56679.5464078533. The cubic root of 3212570981 is about 1475.5397401902.

The spelling of 3212570981 in words is "three billion, two hundred twelve million, five hundred seventy thousand, nine hundred eighty-one".