8513375501 has 2 divisors, whose sum is σ = 8513375502. Its totient is φ = 8513375500.

The previous prime is 8513375471. The next prime is 8513375593. The reversal of 8513375501 is 1055733158.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8414392900 + 98982601 = 91730^2 + 9949^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8513375501 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8513374501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4256687750 + 4256687751.

It is an arithmetic number, because the mean of its divisors is an integer number (4256687751).

Almost surely, 2^8513375501 is an apocalyptic number.

It is an amenable number.

8513375501 is a deficient number, since it is larger than the sum of its proper divisors (1).

8513375501 is an equidigital number, since it uses as much as digits as its factorization.

8513375501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63000, while the sum is 38.

The square root of 8513375501 is about 92267.9548976783. The cubic root of 8513375501 is about 2041.8974641087.

The spelling of 8513375501 in words is "eight billion, five hundred thirteen million, three hundred seventy-five thousand, five hundred one".