61010939 has 16 divisors (see below), whose sum is σ = 68014080. Its totient is φ = 54264000.

The previous prime is 61010923. The next prime is 61010941. The reversal of 61010939 is 93901016.

It is a cyclic number.

It is not a de Polignac number, because 61010939 - 2⁴ = 61010923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61010639) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 148967 + ... + 149375.

It is an arithmetic number, because the mean of its divisors is an integer number (4250880).

Almost surely, 2^61010939 is an apocalyptic number.

61010939 is a deficient number, since it is larger than the sum of its proper divisors (7003141).

61010939 is a wasteful number, since it uses less digits than its factorization.

61010939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 682.

The product of its (nonzero) digits is 1458, while the sum is 29.

The square root of 61010939 is about 7810.9499422285. The cubic root of 61010939 is about 393.6732476921.

The spelling of 61010939 in words is "sixty-one million, ten thousand, nine hundred thirty-nine".