103534521 has 4 divisors (see below), whose sum is σ = 138046032. Its totient is φ = 69023012.

The previous prime is 103534517. The next prime is 103534531. The reversal of 103534521 is 125435301.

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.

It is a cyclic number.

It is not a de Polignac number, because 103534521 - 2² = 103534517 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 103534491 and 103534500.

It is not an unprimeable number, because it can be changed into a prime (103534511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17255751 + ... + 17255756.

It is an arithmetic number, because the mean of its divisors is an integer number (34511508).

Almost surely, 2^103534521 is an apocalyptic number.

It is an amenable number.

103534521 is a deficient number, since it is larger than the sum of its proper divisors (34511511).

103534521 is an equidigital number, since it uses as much as digits as its factorization.

103534521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34511510.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 103534521 is about 10175.1914478304. The cubic root of 103534521 is about 469.5642876126.

Adding to 103534521 its reverse (125435301), we get a palindrome (228969822).

The spelling of 103534521 in words is "one hundred three million, five hundred thirty-four thousand, five hundred twenty-one".