103540061 has 8 divisors (see below), whose sum is σ = 105516600. Its totient is φ = 101578752.

The previous prime is 103540051. The next prime is 103540069. The reversal of 103540061 is 160045301.

It can be written as a sum of positive squares in 4 ways, for example, as 14822500 + 88717561 = 3850^2 + 9419^2 .

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 103540061 - 2¹⁸ = 103277917 is a prime.

It is a super-3 number, since 3×103540061³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103540069) 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, 10415 + ... + 17763.

It is an arithmetic number, because the mean of its divisors is an integer number (13189575).

Almost surely, 2^103540061 is an apocalyptic number.

It is an amenable number.

103540061 is a deficient number, since it is larger than the sum of its proper divisors (1976539).

103540061 is an equidigital number, since it uses as much as digits as its factorization.

103540061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7615.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 103540061 is about 10175.4636749388. The cubic root of 103540061 is about 469.5726627250.

Adding to 103540061 its reverse (160045301), we get a palindrome (263585362).

The spelling of 103540061 in words is "one hundred three million, five hundred forty thousand, sixty-one".