5123449 has 2 divisors, whose sum is σ = 5123450. Its totient is φ = 5123448.

The previous prime is 5123441. The next prime is 5123453. The reversal of 5123449 is 9443215.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3515625 + 1607824 = 1875^2 + 1268^2 .

It is a cyclic number.

It is not a de Polignac number, because 5123449 - 2³ = 5123441 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5123441) 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 as a sum of consecutive naturals, namely, 2561724 + 2561725.

It is an arithmetic number, because the mean of its divisors is an integer number (2561725).

Almost surely, 2^5123449 is an apocalyptic number.

It is an amenable number.

5123449 is a deficient number, since it is larger than the sum of its proper divisors (1).

5123449 is an equidigital number, since it uses as much as digits as its factorization.

5123449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 28.

The square root of 5123449 is about 2263.5037000191. The cubic root of 5123449 is about 172.3934677930.

The spelling of 5123449 in words is "five million, one hundred twenty-three thousand, four hundred forty-nine".