103534813 has 2 divisors, whose sum is σ = 103534814. Its totient is φ = 103534812.

The previous prime is 103534807. The next prime is 103534861. The reversal of 103534813 is 318435301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63313849 + 40220964 = 7957^2 + 6342^2 .

It is an emirp because it is prime and its reverse (318435301) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103534813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103534883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51767406 + 51767407.

It is an arithmetic number, because the mean of its divisors is an integer number (51767407).

Almost surely, 2^103534813 is an apocalyptic number.

It is an amenable number.

103534813 is a deficient number, since it is larger than the sum of its proper divisors (1).

103534813 is an equidigital number, since it uses as much as digits as its factorization.

103534813 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 103534813 is about 10175.2057964446. The cubic root of 103534813 is about 469.5647290520.

The spelling of 103534813 in words is "one hundred three million, five hundred thirty-four thousand, eight hundred thirteen".