61170859 has 2 divisors, whose sum is σ = 61170860. Its totient is φ = 61170858.

The previous prime is 61170853. The next prime is 61170871. The reversal of 61170859 is 95807116.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61170859 - 2⁵ = 61170827 is a prime.

It is not a weakly prime, because it can be changed into another prime (61170853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30585429 + 30585430.

It is an arithmetic number, because the mean of its divisors is an integer number (30585430).

Almost surely, 2^61170859 is an apocalyptic number.

61170859 is a deficient number, since it is larger than the sum of its proper divisors (1).

61170859 is an equidigital number, since it uses as much as digits as its factorization.

61170859 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 37.

The square root of 61170859 is about 7821.1801539154. The cubic root of 61170859 is about 394.0169090117.

The spelling of 61170859 in words is "sixty-one million, one hundred seventy thousand, eight hundred fifty-nine".