61285103 has 8 divisors (see below), whose sum is σ = 67506816. Its totient is φ = 55171800.

The previous prime is 61285099. The next prime is 61285117. The reversal of 61285103 is 30158216.

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 61285103 - 2² = 61285099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61285123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25913 + ... + 28178.

It is an arithmetic number, because the mean of its divisors is an integer number (8438352).

Almost surely, 2^61285103 is an apocalyptic number.

61285103 is a deficient number, since it is larger than the sum of its proper divisors (6221713).

61285103 is a wasteful number, since it uses less digits than its factorization.

61285103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54205.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 61285103 is about 7828.4802484263. The cubic root of 61285103 is about 394.2620479251.

The spelling of 61285103 in words is "sixty-one million, two hundred eighty-five thousand, one hundred three".