1085498497 has 4 divisors (see below), whose sum is σ = 1091998656. Its totient is φ = 1078998340.

The previous prime is 1085498483. The next prime is 1085498527. The reversal of 1085498497 is 7948945801.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1085498497 - 2⁷ = 1085498369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1085498437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3249829 + ... + 3250162.

It is an arithmetic number, because the mean of its divisors is an integer number (272999664).

Almost surely, 2^1085498497 is an apocalyptic number.

It is an amenable number.

1085498497 is a deficient number, since it is larger than the sum of its proper divisors (6500159).

1085498497 is an equidigital number, since it uses as much as digits as its factorization.

1085498497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6500158.

The product of its (nonzero) digits is 2903040, while the sum is 55.

The square root of 1085498497 is about 32946.9042096522. The cubic root of 1085498497 is about 1027.7237876844.

The spelling of 1085498497 in words is "one billion, eighty-five million, four hundred ninety-eight thousand, four hundred ninety-seven".