8513261383 has 8 divisors (see below), whose sum is σ = 9291056256. Its totient is φ = 7736110200.

The previous prime is 8513261381. The next prime is 8513261399. The reversal of 8513261383 is 3831623158.

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 8513261383 - 2¹ = 8513261381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8513261381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133053 + ... + 186358.

It is an arithmetic number, because the mean of its divisors is an integer number (1161382032).

Almost surely, 2^8513261383 is an apocalyptic number.

8513261383 is a deficient number, since it is larger than the sum of its proper divisors (777794873).

8513261383 is a wasteful number, since it uses less digits than its factorization.

8513261383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321845.

The product of its digits is 103680, while the sum is 40.

The square root of 8513261383 is about 92267.3364902228. The cubic root of 8513261383 is about 2041.8883404931. Note that the first 3 decimals are identical.

The spelling of 8513261383 in words is "eight billion, five hundred thirteen million, two hundred sixty-one thousand, three hundred eighty-three".