1062540491 has 2 divisors, whose sum is σ = 1062540492. Its totient is φ = 1062540490.

The previous prime is 1062540419. The next prime is 1062540497. The reversal of 1062540491 is 1940452601.

Together with previous prime (1062540419) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1062540491 is a prime.

It is a super-2 number, since 2×1062540491² = 2257984590029042162, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1062540497) 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, 531270245 + 531270246.

It is an arithmetic number, because the mean of its divisors is an integer number (531270246).

Almost surely, 2^1062540491 is an apocalyptic number.

1062540491 is a deficient number, since it is larger than the sum of its proper divisors (1).

1062540491 is an equidigital number, since it uses as much as digits as its factorization.

1062540491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 1062540491 is about 32596.6331236832. The cubic root of 1062540491 is about 1020.4267376909.

The spelling of 1062540491 in words is "one billion, sixty-two million, five hundred forty thousand, four hundred ninety-one".