6506325145 has 8 divisors (see below), whose sum is σ = 7832221704. Its totient is φ = 5188639104.

The previous prime is 6506325143. The next prime is 6506325253. The reversal of 6506325145 is 5415236056.

It can be written as a sum of positive squares in 4 ways, for example, as 130622041 + 6375703104 = 11429^2 + 79848^2 .

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 6506325145 - 2¹ = 6506325143 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6506325143) 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, 2050884 + ... + 2054053.

It is an arithmetic number, because the mean of its divisors is an integer number (979027713).

Almost surely, 2^6506325145 is an apocalyptic number.

It is an amenable number.

6506325145 is a deficient number, since it is larger than the sum of its proper divisors (1325896559).

6506325145 is a wasteful number, since it uses less digits than its factorization.

6506325145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4105259.

The product of its (nonzero) digits is 108000, while the sum is 37.

The square root of 6506325145 is about 80661.7948287788. The cubic root of 6506325145 is about 1866.8607327819.

The spelling of 6506325145 in words is "six billion, five hundred six million, three hundred twenty-five thousand, one hundred forty-five".