103534819 has 4 divisors (see below), whose sum is σ = 108984040. Its totient is φ = 98085600.

The previous prime is 103534813. The next prime is 103534861. The reversal of 103534819 is 918435301.

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

It is not a de Polignac number, because 103534819 - 2⁵ = 103534787 is a prime.

It is a super-2 number, since 2×103534819² = 21438917490725522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103534813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2724582 + ... + 2724619.

It is an arithmetic number, because the mean of its divisors is an integer number (27246010).

Almost surely, 2^103534819 is an apocalyptic number.

103534819 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

103534819 is a deficient number, since it is larger than the sum of its proper divisors (5449221).

103534819 is an equidigital number, since it uses as much as digits as its factorization.

103534819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5449220.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 103534819 is about 10175.2060912789. The cubic root of 103534819 is about 469.5647381226.

The spelling of 103534819 in words is "one hundred three million, five hundred thirty-four thousand, eight hundred nineteen".