103217449 has 2 divisors, whose sum is σ = 103217450. Its totient is φ = 103217448.

The previous prime is 103217423. The next prime is 103217461. The reversal of 103217449 is 944712301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54287424 + 48930025 = 7368^2 + 6995^2 .

It is a cyclic number.

It is not a de Polignac number, because 103217449 - 2⁹ = 103216937 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 103217449.

It is not a weakly prime, because it can be changed into another prime (103217249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51608724 + 51608725.

It is an arithmetic number, because the mean of its divisors is an integer number (51608725).

Almost surely, 2^103217449 is an apocalyptic number.

It is an amenable number.

103217449 is a deficient number, since it is larger than the sum of its proper divisors (1).

103217449 is an equidigital number, since it uses as much as digits as its factorization.

103217449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 103217449 is about 10159.5988601913. The cubic root of 103217449 is about 469.0844543107.

It can be divided in two parts, 1032 and 17449, that added together give a palindrome (18481).

The spelling of 103217449 in words is "one hundred three million, two hundred seventeen thousand, four hundred forty-nine".