61318085 has 16 divisors (see below), whose sum is σ = 76049280. Its totient is φ = 47436480.

The previous prime is 61318057. The next prime is 61318121. The reversal of 61318085 is 58081316.

It is not a de Polignac number, because 61318085 - 2⁶ = 61318021 is a prime.

It is a congruent number.

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, 17186 + ... + 20444.

It is an arithmetic number, because the mean of its divisors is an integer number (4753080).

Almost surely, 2^61318085 is an apocalyptic number.

It is an amenable number.

61318085 is a deficient number, since it is larger than the sum of its proper divisors (14731195).

61318085 is a wasteful number, since it uses less digits than its factorization.

61318085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3388.

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 61318085 is about 7830.5865042154. The cubic root of 61318085 is about 394.3327623304.

The spelling of 61318085 in words is "sixty-one million, three hundred eighteen thousand, eighty-five".