10542491 has 2 divisors, whose sum is σ = 10542492. Its totient is φ = 10542490.

The previous prime is 10542479. The next prime is 10542503. The reversal of 10542491 is 19424501.

It is a balanced prime because it is at equal distance from previous prime (10542479) and next prime (10542503).

It is an emirp because it is prime and its reverse (19424501) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10542491 is a prime.

It is a super-2 number, since 2×10542491² = 222288232970162, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10542491.

It is not a weakly prime, because it can be changed into another prime (10542401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5271245 + 5271246.

It is an arithmetic number, because the mean of its divisors is an integer number (5271246).

Almost surely, 2^10542491 is an apocalyptic number.

10542491 is a deficient number, since it is larger than the sum of its proper divisors (1).

10542491 is an equidigital number, since it uses as much as digits as its factorization.

10542491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 10542491 is about 3246.9202330824. The cubic root of 10542491 is about 219.2709406289.

Adding to 10542491 its reverse (19424501), we get a palindrome (29966992).

The spelling of 10542491 in words is "ten million, five hundred forty-two thousand, four hundred ninety-one".