1005490553 has 2 divisors, whose sum is σ = 1005490554. Its totient is φ = 1005490552.

The previous prime is 1005490547. The next prime is 1005490559. The reversal of 1005490553 is 3550945001.

It is a balanced prime because it is at equal distance from previous prime (1005490547) and next prime (1005490559).

It can be written as a sum of positive squares in only one way, i.e., 963978304 + 41512249 = 31048^2 + 6443^2 .

It is an emirp because it is prime and its reverse (3550945001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1005490553 - 2⁴ = 1005490537 is a prime.

It is a super-2 number, since 2×1005490553² = 2022022504344491618, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1005490559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502745276 + 502745277.

It is an arithmetic number, because the mean of its divisors is an integer number (502745277).

Almost surely, 2^1005490553 is an apocalyptic number.

It is an amenable number.

1005490553 is a deficient number, since it is larger than the sum of its proper divisors (1).

1005490553 is an equidigital number, since it uses as much as digits as its factorization.

1005490553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13500, while the sum is 32.

The square root of 1005490553 is about 31709.4710299620. The cubic root of 1005490553 is about 1001.8268449386.

The spelling of 1005490553 in words is "one billion, five million, four hundred ninety thousand, five hundred fifty-three".