61903285 has 8 divisors (see below), whose sum is σ = 74326176. Its totient is φ = 49494480.

The previous prime is 61903253. The next prime is 61903301. The reversal of 61903285 is 58230916.

61903285 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 61903285 - 2⁵ = 61903253 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 61903285.

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, 15550 + ... + 19120.

It is an arithmetic number, because the mean of its divisors is an integer number (9290772).

Almost surely, 2^61903285 is an apocalyptic number.

It is an amenable number.

61903285 is a deficient number, since it is larger than the sum of its proper divisors (12422891).

61903285 is a wasteful number, since it uses less digits than its factorization.

61903285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7043.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 61903285 is about 7867.8640684750. The cubic root of 61903285 is about 395.5832541407.

The spelling of 61903285 in words is "sixty-one million, nine hundred three thousand, two hundred eighty-five".