61936285 has 8 divisors (see below), whose sum is σ = 74368440. Its totient is φ = 49519104.

The previous prime is 61936279. The next prime is 61936291. The reversal of 61936285 is 58263916.

61936285 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (61936279) and next prime (61936291).

It can be written as a sum of positive squares in 4 ways, for example, as 11042329 + 50893956 = 3323^2 + 7134^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61936285 - 2¹¹ = 61934237 is a prime.

It is a super-2 number, since 2×61936285² = 7672206799202450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9861 + ... + 14869.

It is an arithmetic number, because the mean of its divisors is an integer number (9296055).

Almost surely, 2^61936285 is an apocalyptic number.

It is an amenable number.

61936285 is a deficient number, since it is larger than the sum of its proper divisors (12432155).

61936285 is a wasteful number, since it uses less digits than its factorization.

61936285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7487.

The product of its digits is 77760, while the sum is 40.

The square root of 61936285 is about 7869.9609274761. The cubic root of 61936285 is about 395.6535354318.

The spelling of 61936285 in words is "sixty-one million, nine hundred thirty-six thousand, two hundred eighty-five".