3160021 has 2 divisors, whose sum is σ = 3160022. Its totient is φ = 3160020.

The previous prime is 3160009. The next prime is 3160033. The reversal of 3160021 is 1200613.

It is a balanced prime because it is at equal distance from previous prime (3160009) and next prime (3160033).

It can be written as a sum of positive squares in only one way, i.e., 2604996 + 555025 = 1614^2 + 745^2 .

It is a cyclic number.

It is not a de Polignac number, because 3160021 - 2¹³ = 3151829 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3159983 and 3160010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3160051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1580010 + 1580011.

It is an arithmetic number, because the mean of its divisors is an integer number (1580011).

Almost surely, 2^3160021 is an apocalyptic number.

It is an amenable number.

3160021 is a deficient number, since it is larger than the sum of its proper divisors (1).

3160021 is an equidigital number, since it uses as much as digits as its factorization.

3160021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 3160021 is about 1777.6447901648. The cubic root of 3160021 is about 146.7450034915.

Adding to 3160021 its reverse (1200613), we get a palindrome (4360634).

The spelling of 3160021 in words is "three million, one hundred sixty thousand, twenty-one".