10517491 has 2 divisors, whose sum is σ = 10517492. Its totient is φ = 10517490.

The previous prime is 10517477. The next prime is 10517497. The reversal of 10517491 is 19471501.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10517491 - 2⁷ = 10517363 is a prime.

It is a super-2 number, since 2×10517491² = 221235233870162, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10517497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5258745 + 5258746.

It is an arithmetic number, because the mean of its divisors is an integer number (5258746).

Almost surely, 2^10517491 is an apocalyptic number.

10517491 is a deficient number, since it is larger than the sum of its proper divisors (1).

10517491 is an equidigital number, since it uses as much as digits as its factorization.

10517491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1260, while the sum is 28.

The square root of 10517491 is about 3243.0681460617. The cubic root of 10517491 is about 219.0974802860.

Adding to 10517491 its reverse (19471501), we get a palindrome (29988992).

The spelling of 10517491 in words is "ten million, five hundred seventeen thousand, four hundred ninety-one".