5201970061 has 2 divisors, whose sum is σ = 5201970062. Its totient is φ = 5201970060.

The previous prime is 5201970049. The next prime is 5201970077. The reversal of 5201970061 is 1600791025.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5070294436 + 131675625 = 71206^2 + 11475^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5201970061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5201970001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2600985030 + 2600985031.

It is an arithmetic number, because the mean of its divisors is an integer number (2600985031).

Almost surely, 2^5201970061 is an apocalyptic number.

It is an amenable number.

5201970061 is a deficient number, since it is larger than the sum of its proper divisors (1).

5201970061 is an equidigital number, since it uses as much as digits as its factorization.

5201970061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3780, while the sum is 31.

The square root of 5201970061 is about 72124.6841310241. The cubic root of 5201970061 is about 1732.6969707345.

The spelling of 5201970061 in words is "five billion, two hundred one million, nine hundred seventy thousand, sixty-one".