61560103 has 4 divisors (see below), whose sum is σ = 67156488. Its totient is φ = 55963720.

The previous prime is 61560073. The next prime is 61560139. The reversal of 61560103 is 30106516.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61560103 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 (61561103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2798176 + ... + 2798197.

It is an arithmetic number, because the mean of its divisors is an integer number (16789122).

Almost surely, 2^61560103 is an apocalyptic number.

61560103 is a deficient number, since it is larger than the sum of its proper divisors (5596385).

61560103 is a wasteful number, since it uses less digits than its factorization.

61560103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5596384.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 61560103 is about 7846.0246622095. The cubic root of 61560103 is about 394.8508821311.

Adding to 61560103 its reverse (30106516), we get a palindrome (91666619).

The spelling of 61560103 in words is "sixty-one million, five hundred sixty thousand, one hundred three".