103306557 has 4 divisors (see below), whose sum is σ = 137742080. Its totient is φ = 68871036.

The previous prime is 103306549. The next prime is 103306561. The reversal of 103306557 is 755603301.

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 not a de Polignac number, because 103306557 - 2³ = 103306549 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 (103306507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17217757 + ... + 17217762.

It is an arithmetic number, because the mean of its divisors is an integer number (34435520).

Almost surely, 2^103306557 is an apocalyptic number.

It is an amenable number.

103306557 is a deficient number, since it is larger than the sum of its proper divisors (34435523).

103306557 is an equidigital number, since it uses as much as digits as its factorization.

103306557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34435522.

The product of its (nonzero) digits is 9450, while the sum is 30.

The square root of 103306557 is about 10163.9833234810. The cubic root of 103306557 is about 469.2194029241.

Adding to 103306557 its reverse (755603301), we get a palindrome (858909858).

The spelling of 103306557 in words is "one hundred three million, three hundred six thousand, five hundred fifty-seven".