103542389 has 4 divisors (see below), whose sum is σ = 108044256. Its totient is φ = 99040524.

The previous prime is 103542379. The next prime is 103542407. The reversal of 103542389 is 983245301.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 103542389 - 2⁸ = 103542133 is a prime.

It is a super-3 number, since 3×103542389³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103542319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2250899 + ... + 2250944.

It is an arithmetic number, because the mean of its divisors is an integer number (27011064).

Almost surely, 2^103542389 is an apocalyptic number.

It is an amenable number.

103542389 is a deficient number, since it is larger than the sum of its proper divisors (4501867).

103542389 is an equidigital number, since it uses as much as digits as its factorization.

103542389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4501866.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 103542389 is about 10175.5780671174. The cubic root of 103542389 is about 469.5761819972.

The spelling of 103542389 in words is "one hundred three million, five hundred forty-two thousand, three hundred eighty-nine".