61365285 has 12 divisors (see below), whose sum is σ = 106366572. Its totient is φ = 32728128.

The previous prime is 61365263. The next prime is 61365301. The reversal of 61365285 is 58256316.

It can be written as a sum of positive squares in 2 ways, for example, as 17288964 + 44076321 = 4158^2 + 6639^2 .

It is not a de Polignac number, because 61365285 - 2⁵ = 61365253 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 681792 + ... + 681881.

It is an arithmetic number, because the mean of its divisors is an integer number (8863881).

Almost surely, 2^61365285 is an apocalyptic number.

It is an amenable number.

61365285 is a deficient number, since it is larger than the sum of its proper divisors (45001287).

61365285 is a wasteful number, since it uses less digits than its factorization.

61365285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1363684 (or 1363681 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 61365285 is about 7833.5997472426. The cubic root of 61365285 is about 394.4339164610.

The spelling of 61365285 in words is "sixty-one million, three hundred sixty-five thousand, two hundred eighty-five".