61606711 has 2 divisors, whose sum is σ = 61606712. Its totient is φ = 61606710.

The previous prime is 61606697. The next prime is 61606717. The reversal of 61606711 is 11760616.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61606711 - 2¹¹ = 61604663 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 61606711.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61606717) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30803355 + 30803356.

It is an arithmetic number, because the mean of its divisors is an integer number (30803356).

Almost surely, 2^61606711 is an apocalyptic number.

61606711 is a deficient number, since it is larger than the sum of its proper divisors (1).

61606711 is an equidigital number, since it uses as much as digits as its factorization.

61606711 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 61606711 is about 7848.9942667835. The cubic root of 61606711 is about 394.9505060028.

The spelling of 61606711 in words is "sixty-one million, six hundred six thousand, seven hundred eleven".