5621697061 has 2 divisors, whose sum is σ = 5621697062. Its totient is φ = 5621697060.

The previous prime is 5621697041. The next prime is 5621697097. The reversal of 5621697061 is 1607961265.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3735532161 + 1886164900 = 61119^2 + 43430^2 .

It is a cyclic number.

It is not a de Polignac number, because 5621697061 - 2¹⁹ = 5621172773 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5621696999 and 5621697017.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5621697041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2810848530 + 2810848531.

It is an arithmetic number, because the mean of its divisors is an integer number (2810848531).

Almost surely, 2^5621697061 is an apocalyptic number.

It is an amenable number.

5621697061 is a deficient number, since it is larger than the sum of its proper divisors (1).

5621697061 is an equidigital number, since it uses as much as digits as its factorization.

5621697061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 136080, while the sum is 43.

The square root of 5621697061 is about 74977.9771733007. The cubic root of 5621697061 is about 1778.0984892276.

The spelling of 5621697061 in words is "five billion, six hundred twenty-one million, six hundred ninety-seven thousand, sixty-one".