103450549 has 2 divisors, whose sum is σ = 103450550. Its totient is φ = 103450548.

The previous prime is 103450547. The next prime is 103450577. The reversal of 103450549 is 945054301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 90440100 + 13010449 = 9510^2 + 3607^2 .

It is a cyclic number.

It is not a de Polignac number, because 103450549 - 2¹ = 103450547 is a prime.

Together with 103450547, it forms a pair of twin primes.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 103450549.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103450547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51725274 + 51725275.

It is an arithmetic number, because the mean of its divisors is an integer number (51725275).

Almost surely, 2^103450549 is an apocalyptic number.

It is an amenable number.

103450549 is a deficient number, since it is larger than the sum of its proper divisors (1).

103450549 is an equidigital number, since it uses as much as digits as its factorization.

103450549 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 103450549 is about 10171.0643002588. The cubic root of 103450549 is about 469.4373060777.

The spelling of 103450549 in words is "one hundred three million, four hundred fifty thousand, five hundred forty-nine".