1066450501 has 2 divisors, whose sum is σ = 1066450502. Its totient is φ = 1066450500.

The previous prime is 1066450423. The next prime is 1066450513. The reversal of 1066450501 is 1050546601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 679384225 + 387066276 = 26065^2 + 19674^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1066450501 is a prime.

It is a super-2 number, since 2×1066450501² = 2274633342166302002, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1066450501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1066451501) 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, 533225250 + 533225251.

It is an arithmetic number, because the mean of its divisors is an integer number (533225251).

Almost surely, 2^1066450501 is an apocalyptic number.

It is an amenable number.

1066450501 is a deficient number, since it is larger than the sum of its proper divisors (1).

1066450501 is an equidigital number, since it uses as much as digits as its factorization.

1066450501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 1066450501 is about 32656.5537220326. The cubic root of 1066450501 is about 1021.6768844495.

The spelling of 1066450501 in words is "one billion, sixty-six million, four hundred fifty thousand, five hundred one".