103204397 has 4 divisors (see below), whose sum is σ = 103242300. Its totient is φ = 103166496.

The previous prime is 103204379. The next prime is 103204459. The reversal of 103204397 is 793402301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 793402301 = 4001 ⋅198301.

It can be written as a sum of positive squares in 2 ways, for example, as 39300361 + 63904036 = 6269^2 + 7994^2 .

It is a cyclic number.

It is not a de Polignac number, because 103204397 - 2¹⁸ = 102942253 is a prime.

It is a super-2 number, since 2×103204397² = 21302295120267218, which contains 22 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 (103204307) 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 in 3 ways as a sum of consecutive naturals, for example, 14522 + ... + 20427.

It is an arithmetic number, because the mean of its divisors is an integer number (25810575).

Almost surely, 2^103204397 is an apocalyptic number.

It is an amenable number.

103204397 is a deficient number, since it is larger than the sum of its proper divisors (37903).

103204397 is an equidigital number, since it uses as much as digits as its factorization.

103204397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37902.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 103204397 is about 10158.9564916875. The cubic root of 103204397 is about 469.0646813349.

Adding to 103204397 its reverse (793402301), we get a palindrome (896606698).

The spelling of 103204397 in words is "one hundred three million, two hundred four thousand, three hundred ninety-seven".