4297558561 has 2 divisors, whose sum is σ = 4297558562. Its totient is φ = 4297558560.

The previous prime is 4297558501. The next prime is 4297558591. The reversal of 4297558561 is 1658557924.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4269838336 + 27720225 = 65344^2 + 5265^2 .

It is a cyclic number.

It is not a de Polignac number, because 4297558561 - 2¹⁷ = 4297427489 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4297558499 and 4297558508.

It is not a weakly prime, because it can be changed into another prime (4297558501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2148779280 + 2148779281.

It is an arithmetic number, because the mean of its divisors is an integer number (2148779281).

Almost surely, 2^4297558561 is an apocalyptic number.

It is an amenable number.

4297558561 is a deficient number, since it is larger than the sum of its proper divisors (1).

4297558561 is an equidigital number, since it uses as much as digits as its factorization.

4297558561 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3024000, while the sum is 52.

The square root of 4297558561 is about 65555.7668020137. The cubic root of 4297558561 is about 1625.8255133110.

The spelling of 4297558561 in words is "four billion, two hundred ninety-seven million, five hundred fifty-eight thousand, five hundred sixty-one".