4715561 has 2 divisors, whose sum is σ = 4715562. Its totient is φ = 4715560.

The previous prime is 4715551. The next prime is 4715563. The reversal of 4715561 is 1655174.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2371600 + 2343961 = 1540^2 + 1531^2 .

It is a cyclic number.

It is not a de Polignac number, because 4715561 - 2⁶ = 4715497 is a prime.

Together with 4715563, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4715563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2357780 + 2357781.

It is an arithmetic number, because the mean of its divisors is an integer number (2357781).

Almost surely, 2^4715561 is an apocalyptic number.

It is an amenable number.

4715561 is a deficient number, since it is larger than the sum of its proper divisors (1).

4715561 is an equidigital number, since it uses as much as digits as its factorization.

4715561 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4200, while the sum is 29.

The square root of 4715561 is about 2171.5342502480. The cubic root of 4715561 is about 167.6915281473.

The spelling of 4715561 in words is "four million, seven hundred fifteen thousand, five hundred sixty-one".