8045317261 has 8 divisors (see below), whose sum is σ = 8320504320. Its totient is φ = 7774464048.

The previous prime is 8045317249. The next prime is 8045317279. The reversal of 8045317261 is 1627135408.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8045317261 - 2¹⁷ = 8045186189 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8045317261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8045317211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1079686 + ... + 1087111.

It is an arithmetic number, because the mean of its divisors is an integer number (1040063040).

Almost surely, 2^8045317261 is an apocalyptic number.

It is an amenable number.

8045317261 is a deficient number, since it is larger than the sum of its proper divisors (275187059).

8045317261 is a wasteful number, since it uses less digits than its factorization.

8045317261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2166923.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 8045317261 is about 89695.6925442911. The cubic root of 8045317261 is about 2003.7693300294.

The spelling of 8045317261 in words is "eight billion, forty-five million, three hundred seventeen thousand, two hundred sixty-one".