61085103 has 12 divisors (see below), whose sum is σ = 82436808. Its totient is φ = 40230400.

The previous prime is 61085099. The next prime is 61085137. The reversal of 61085103 is 30158016.

It is not a de Polignac number, because 61085103 - 2² = 61085099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61085153) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 135823 + ... + 136271.

It is an arithmetic number, because the mean of its divisors is an integer number (6869734).

Almost surely, 2^61085103 is an apocalyptic number.

61085103 is a deficient number, since it is larger than the sum of its proper divisors (21351705).

61085103 is an equidigital number, since it uses as much as digits as its factorization.

61085103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1002 (or 553 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 61085103 is about 7815.6959383026. The cubic root of 61085103 is about 393.8326975710.

It can be divided in two parts, 6108 and 5103, that added together give a palindrome (11211).

The spelling of 61085103 in words is "sixty-one million, eighty-five thousand, one hundred three".