1040318497 has 4 divisors (see below), whose sum is σ = 1085549760. Its totient is φ = 995087236.

The previous prime is 1040318473. The next prime is 1040318507. The reversal of 1040318497 is 7948130401.

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 a de Polignac number, because none of the positive numbers 2^k-1040318497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1040318407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22615597 + ... + 22615642.

It is an arithmetic number, because the mean of its divisors is an integer number (271387440).

Almost surely, 2^1040318497 is an apocalyptic number.

It is an amenable number.

1040318497 is a deficient number, since it is larger than the sum of its proper divisors (45231263).

1040318497 is an equidigital number, since it uses as much as digits as its factorization.

1040318497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45231262.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 1040318497 is about 32253.9687015412. The cubic root of 1040318497 is about 1013.2628189790.

Adding to 1040318497 its reverse (7948130401), we get a palindrome (8988448898).

It can be divided in two parts, 10403 and 18497, that multiplied together give a palindrome (192424291).

The spelling of 1040318497 in words is "one billion, forty million, three hundred eighteen thousand, four hundred ninety-seven".