524979449 has 2 divisors, whose sum is σ = 524979450. Its totient is φ = 524979448.

The previous prime is 524979409. The next prime is 524979461. The reversal of 524979449 is 944979425.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 263575225 + 261404224 = 16235^2 + 16168^2 .

It is a cyclic number.

It is not a de Polignac number, because 524979449 - 2²⁰ = 523930873 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 524979449.

It is not a weakly prime, because it can be changed into another prime (524979409) 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 as a sum of consecutive naturals, namely, 262489724 + 262489725.

It is an arithmetic number, because the mean of its divisors is an integer number (262489725).

Almost surely, 2^524979449 is an apocalyptic number.

It is an amenable number.

524979449 is a deficient number, since it is larger than the sum of its proper divisors (1).

524979449 is an equidigital number, since it uses as much as digits as its factorization.

524979449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3265920, while the sum is 53.

The square root of 524979449 is about 22912.4300108042. The cubic root of 524979449 is about 806.7037966616.

The spelling of 524979449 in words is "five hundred twenty-four million, nine hundred seventy-nine thousand, four hundred forty-nine".