8070521297 has 2 divisors, whose sum is σ = 8070521298. Its totient is φ = 8070521296.

The previous prime is 8070521281. The next prime is 8070521321. The reversal of 8070521297 is 7921250708.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7056672016 + 1013849281 = 84004^2 + 31841^2 .

It is a cyclic number.

It is not a de Polignac number, because 8070521297 - 2⁴ = 8070521281 is a prime.

It is not a weakly prime, because it can be changed into another prime (8070521897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4035260648 + 4035260649.

It is an arithmetic number, because the mean of its divisors is an integer number (4035260649).

Almost surely, 2^8070521297 is an apocalyptic number.

It is an amenable number.

8070521297 is a deficient number, since it is larger than the sum of its proper divisors (1).

8070521297 is an equidigital number, since it uses as much as digits as its factorization.

8070521297 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 70560, while the sum is 41.

The square root of 8070521297 is about 89836.0801515738. The cubic root of 8070521297 is about 2005.8595905834.

The spelling of 8070521297 in words is "eight billion, seventy million, five hundred twenty-one thousand, two hundred ninety-seven".