8070523421 has 2 divisors, whose sum is σ = 8070523422. Its totient is φ = 8070523420.

The previous prime is 8070523297. The next prime is 8070523453. The reversal of 8070523421 is 1243250708.

It is an a-pointer prime, because the next prime (8070523453) can be obtained adding 8070523421 to its sum of digits (32).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4932955225 + 3137568196 = 70235^2 + 56014^2 .

It is a cyclic number.

It is not a de Polignac number, because 8070523421 - 2²⁶ = 8003414557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8070523121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4035261710 + 4035261711.

It is an arithmetic number, because the mean of its divisors is an integer number (4035261711).

Almost surely, 2^8070523421 is an apocalyptic number.

It is an amenable number.

8070523421 is a deficient number, since it is larger than the sum of its proper divisors (1).

8070523421 is an equidigital number, since it uses as much as digits as its factorization.

8070523421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 8070523421 is about 89836.0919731040. The cubic root of 8070523421 is about 2005.8597665508.

The spelling of 8070523421 in words is "eight billion, seventy million, five hundred twenty-three thousand, four hundred twenty-one".