103435491 has 4 divisors (see below), whose sum is σ = 137913992. Its totient is φ = 68956992.

The previous prime is 103435483. The next prime is 103435529. The reversal of 103435491 is 194534301.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 103435491 - 2³ = 103435483 is a prime.

It is a super-2 number, since 2×103435491² = 21397801596822162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103435421) 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, 17239246 + ... + 17239251.

It is an arithmetic number, because the mean of its divisors is an integer number (34478498).

Almost surely, 2^103435491 is an apocalyptic number.

103435491 is a deficient number, since it is larger than the sum of its proper divisors (34478501).

103435491 is an equidigital number, since it uses as much as digits as its factorization.

103435491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34478500.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 103435491 is about 10170.3240361357. The cubic root of 103435491 is about 469.4145282706.

Adding to 103435491 its reverse (194534301), we get a palindrome (297969792).

The spelling of 103435491 in words is "one hundred three million, four hundred thirty-five thousand, four hundred ninety-one".