103532013 has 20 divisors (see below), whose sum is σ = 166557468. Its totient is φ = 63711360.

The previous prime is 103531991. The next prime is 103532041. The reversal of 103532013 is 310235301.

It can be written as a sum of positive squares in 2 ways, for example, as 58936329 + 44595684 = 7677^2 + 6678^2 .

It is not a de Polignac number, because 103532013 - 2⁹ = 103531501 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103532053) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 48108 + ... + 50213.

Almost surely, 2^103532013 is an apocalyptic number.

103532013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

103532013 is a deficient number, since it is larger than the sum of its proper divisors (63025455).

103532013 is an equidigital number, since it uses as much as digits as its factorization.

103532013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98346 (or 98337 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 18.

The square root of 103532013 is about 10175.0682061596. The cubic root of 103532013 is about 469.5604960375.

Adding to 103532013 its reverse (310235301), we get a palindrome (413767314).

The spelling of 103532013 in words is "one hundred three million, five hundred thirty-two thousand, thirteen".