61085707 has 2 divisors, whose sum is σ = 61085708. Its totient is φ = 61085706.

The previous prime is 61085699. The next prime is 61085753. The reversal of 61085707 is 70758016.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61085707 - 2³ = 61085699 is a prime.

It is not a weakly prime, because it can be changed into another prime (61085767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30542853 + 30542854.

It is an arithmetic number, because the mean of its divisors is an integer number (30542854).

Almost surely, 2^61085707 is an apocalyptic number.

61085707 is a deficient number, since it is larger than the sum of its proper divisors (1).

61085707 is an equidigital number, since it uses as much as digits as its factorization.

61085707 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11760, while the sum is 34.

The square root of 61085707 is about 7815.7345784002. The cubic root of 61085707 is about 393.8339956188.

The spelling of 61085707 in words is "sixty-one million, eighty-five thousand, seven hundred seven".