7020321053 has 2 divisors, whose sum is σ = 7020321054. Its totient is φ = 7020321052.

The previous prime is 7020320947. The next prime is 7020321067. The reversal of 7020321053 is 3501230207.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6823255609 + 197065444 = 82603^2 + 14038^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7020321053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7020321953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3510160526 + 3510160527.

It is an arithmetic number, because the mean of its divisors is an integer number (3510160527).

Almost surely, 2^7020321053 is an apocalyptic number.

It is an amenable number.

7020321053 is a deficient number, since it is larger than the sum of its proper divisors (1).

7020321053 is an equidigital number, since it uses as much as digits as its factorization.

7020321053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 7020321053 is about 83787.3561642805. The cubic root of 7020321053 is about 1914.7804789872.

The spelling of 7020321053 in words is "seven billion, twenty million, three hundred twenty-one thousand, fifty-three".