10498591 has 2 divisors, whose sum is σ = 10498592. Its totient is φ = 10498590.

The previous prime is 10498589. The next prime is 10498597. The reversal of 10498591 is 19589401.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10498591 - 2¹ = 10498589 is a prime.

It is a super-2 number, since 2×10498591² = 220440825970562, which contains 22 as substring.

Together with 10498589, it forms a pair of twin primes.

It is a plaindrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 10498591.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10498597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5249295 + 5249296.

It is an arithmetic number, because the mean of its divisors is an integer number (5249296).

Almost surely, 2^10498591 is an apocalyptic number.

10498591 is a deficient number, since it is larger than the sum of its proper divisors (1).

10498591 is an equidigital number, since it uses as much as digits as its factorization.

10498591 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 37.

The square root of 10498591 is about 3240.1529284896. The cubic root of 10498591 is about 218.9661617269.

The spelling of 10498591 in words is "ten million, four hundred ninety-eight thousand, five hundred ninety-one".