3122573621 has 2 divisors, whose sum is σ = 3122573622. Its totient is φ = 3122573620.

The previous prime is 3122573581. The next prime is 3122573689. The reversal of 3122573621 is 1263752213.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3059196100 + 63377521 = 55310^2 + 7961^2 .

It is a cyclic number.

It is not a de Polignac number, because 3122573621 - 2⁶ = 3122573557 is a prime.

It is a congruent number.

It is a weakly prime.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1561286810 + 1561286811.

It is an arithmetic number, because the mean of its divisors is an integer number (1561286811).

Almost surely, 2^3122573621 is an apocalyptic number.

It is an amenable number.

3122573621 is a deficient number, since it is larger than the sum of its proper divisors (1).

3122573621 is an equidigital number, since it uses as much as digits as its factorization.

3122573621 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15120, while the sum is 32.

The square root of 3122573621 is about 55879.9930297061. The cubic root of 3122573621 is about 1461.6303831196.

The spelling of 3122573621 in words is "three billion, one hundred twenty-two million, five hundred seventy-three thousand, six hundred twenty-one".