3230147621 has 2 divisors, whose sum is σ = 3230147622. Its totient is φ = 3230147620.

The previous prime is 3230147597. The next prime is 3230147647. The reversal of 3230147621 is 1267410323.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2821096996 + 409050625 = 53114^2 + 20225^2 .

It is a cyclic number.

It is not a de Polignac number, because 3230147621 - 2¹⁰ = 3230146597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3230147651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1615073810 + 1615073811.

It is an arithmetic number, because the mean of its divisors is an integer number (1615073811).

Almost surely, 2^3230147621 is an apocalyptic number.

It is an amenable number.

3230147621 is a deficient number, since it is larger than the sum of its proper divisors (1).

3230147621 is an equidigital number, since it uses as much as digits as its factorization.

3230147621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 3230147621 is about 56834.3876627522. The cubic root of 3230147621 is about 1478.2258417144.

Adding to 3230147621 its reverse (1267410323), we get a palindrome (4497557944).

The spelling of 3230147621 in words is "three billion, two hundred thirty million, one hundred forty-seven thousand, six hundred twenty-one".