103518061 has 4 divisors (see below), whose sum is σ = 108966400. Its totient is φ = 98069724.

The previous prime is 103518053. The next prime is 103518067. The reversal of 103518061 is 160815301.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 160815301 = 311 ⋅517091.

It is a cyclic number.

It is not a de Polignac number, because 103518061 - 2³ = 103518053 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 (103518067) 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, 2724141 + ... + 2724178.

It is an arithmetic number, because the mean of its divisors is an integer number (27241600).

Almost surely, 2^103518061 is an apocalyptic number.

It is an amenable number.

103518061 is a deficient number, since it is larger than the sum of its proper divisors (5448339).

103518061 is an equidigital number, since it uses as much as digits as its factorization.

103518061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5448338.

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 103518061 is about 10174.3825856904. The cubic root of 103518061 is about 469.5394023932.

The spelling of 103518061 in words is "one hundred three million, five hundred eighteen thousand, sixty-one".