103621753 has 2 divisors, whose sum is σ = 103621754. Its totient is φ = 103621752.

The previous prime is 103621751. The next prime is 103621757. The reversal of 103621753 is 357126301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 82937449 + 20684304 = 9107^2 + 4548^2 .

It is a cyclic number.

It is not a de Polignac number, because 103621753 - 2¹ = 103621751 is a prime.

It is a super-3 number, since 3×103621753³ (a number of 25 digits) contains 333 as substring.

Together with 103621751, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (103621751) 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 as a sum of consecutive naturals, namely, 51810876 + 51810877.

It is an arithmetic number, because the mean of its divisors is an integer number (51810877).

Almost surely, 2^103621753 is an apocalyptic number.

It is an amenable number.

103621753 is a deficient number, since it is larger than the sum of its proper divisors (1).

103621753 is an equidigital number, since it uses as much as digits as its factorization.

103621753 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 103621753 is about 10179.4770494363. The cubic root of 103621753 is about 469.6961261954.

The spelling of 103621753 in words is "one hundred three million, six hundred twenty-one thousand, seven hundred fifty-three".