61106039 has 2 divisors, whose sum is σ = 61106040. Its totient is φ = 61106038.

The previous prime is 61106027. The next prime is 61106047. The reversal of 61106039 is 93060116.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61106039 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 61105999 and 61106017.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61106069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30553019 + 30553020.

It is an arithmetic number, because the mean of its divisors is an integer number (30553020).

Almost surely, 2^61106039 is an apocalyptic number.

61106039 is a deficient number, since it is larger than the sum of its proper divisors (1).

61106039 is an equidigital number, since it uses as much as digits as its factorization.

61106039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 61106039 is about 7817.0351796573. The cubic root of 61106039 is about 393.8776858422.

The spelling of 61106039 in words is "sixty-one million, one hundred six thousand, thirty-nine".