450990541 has 2 divisors, whose sum is σ = 450990542. Its totient is φ = 450990540.

The previous prime is 450990523. The next prime is 450990557. The reversal of 450990541 is 145099054.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 317588041 + 133402500 = 17821^2 + 11550^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-450990541 is a prime.

It is equal to p_23902678 and since 450990541 and 23902678 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 450990541.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (450990941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225495270 + 225495271.

It is an arithmetic number, because the mean of its divisors is an integer number (225495271).

Almost surely, 2^450990541 is an apocalyptic number.

It is an amenable number.

450990541 is a deficient number, since it is larger than the sum of its proper divisors (1).

450990541 is an equidigital number, since it uses as much as digits as its factorization.

450990541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32400, while the sum is 37.

The square root of 450990541 is about 21236.5378769704. The cubic root of 450990541 is about 766.8712876844.

The spelling of 450990541 in words is "four hundred fifty million, nine hundred ninety thousand, five hundred forty-one".