8213153701 has 2 divisors, whose sum is σ = 8213153702. Its totient is φ = 8213153700.

The previous prime is 8213153659. The next prime is 8213153719. The reversal of 8213153701 is 1073513128.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7651700676 + 561453025 = 87474^2 + 23695^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8213153701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8213153761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4106576850 + 4106576851.

It is an arithmetic number, because the mean of its divisors is an integer number (4106576851).

Almost surely, 2^8213153701 is an apocalyptic number.

It is an amenable number.

8213153701 is a deficient number, since it is larger than the sum of its proper divisors (1).

8213153701 is an equidigital number, since it uses as much as digits as its factorization.

8213153701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 8213153701 is about 90626.4514421700. The cubic root of 8213153701 is about 2017.6073442473.

Adding to 8213153701 its reverse (1073513128), we get a palindrome (9286666829).

The spelling of 8213153701 in words is "eight billion, two hundred thirteen million, one hundred fifty-three thousand, seven hundred one".