1076645321 has 2 divisors, whose sum is σ = 1076645322. Its totient is φ = 1076645320.

The previous prime is 1076645293. The next prime is 1076645333. The reversal of 1076645321 is 1235466701.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1060153600 + 16491721 = 32560^2 + 4061^2 .

It is a cyclic number.

It is not a de Polignac number, because 1076645321 - 2¹⁴ = 1076628937 is a prime.

It is not a weakly prime, because it can be changed into another prime (1076645821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 538322660 + 538322661.

It is an arithmetic number, because the mean of its divisors is an integer number (538322661).

Almost surely, 2^1076645321 is an apocalyptic number.

It is an amenable number.

1076645321 is a deficient number, since it is larger than the sum of its proper divisors (1).

1076645321 is an equidigital number, since it uses as much as digits as its factorization.

1076645321 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 35.

The square root of 1076645321 is about 32812.2739382689. The cubic root of 1076645321 is about 1024.9221661302.

The spelling of 1076645321 in words is "one billion, seventy-six million, six hundred forty-five thousand, three hundred twenty-one".