103545389 has 2 divisors, whose sum is σ = 103545390. Its totient is φ = 103545388.

The previous prime is 103545373. The next prime is 103545437. The reversal of 103545389 is 983545301.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 83814025 + 19731364 = 9155^2 + 4442^2 .

It is an emirp because it is prime and its reverse (983545301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 103545389 - 2⁴ = 103545373 is a prime.

It is a super-3 number, since 3×103545389³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103545349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51772694 + 51772695.

It is an arithmetic number, because the mean of its divisors is an integer number (51772695).

Almost surely, 2^103545389 is an apocalyptic number.

It is an amenable number.

103545389 is a deficient number, since it is larger than the sum of its proper divisors (1).

103545389 is an equidigital number, since it uses as much as digits as its factorization.

103545389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64800, while the sum is 38.

The square root of 103545389 is about 10175.7254778222. The cubic root of 103545389 is about 469.5807170639.

The spelling of 103545389 in words is "one hundred three million, five hundred forty-five thousand, three hundred eighty-nine".