61016305 has 16 divisors (see below), whose sum is σ = 83825280. Its totient is φ = 41766912.

The previous prime is 61016299. The next prime is 61016317. The reversal of 61016305 is 50361016.

It is a cyclic number.

It is not a de Polignac number, because 61016305 - 2¹⁵ = 60983537 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25782 + ... + 28048.

It is an arithmetic number, because the mean of its divisors is an integer number (5239080).

Almost surely, 2^61016305 is an apocalyptic number.

It is an amenable number.

61016305 is a deficient number, since it is larger than the sum of its proper divisors (22808975).

61016305 is a wasteful number, since it uses less digits than its factorization.

61016305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3048.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 61016305 is about 7811.2934268276. The cubic root of 61016305 is about 393.6847887303.

The spelling of 61016305 in words is "sixty-one million, sixteen thousand, three hundred five".