2615132317 has 16 divisors (see below), whose sum is σ = 3247513600. Its totient is φ = 2055060720.

The previous prime is 2615132291. The next prime is 2615132329. The reversal of 2615132317 is 7132315162.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2615132317 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2615132417) 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 15 ways as a sum of consecutive naturals, for example, 313017 + ... + 321262.

It is an arithmetic number, because the mean of its divisors is an integer number (202969600).

Almost surely, 2^2615132317 is an apocalyptic number.

It is an amenable number.

2615132317 is a deficient number, since it is larger than the sum of its proper divisors (632381283).

2615132317 is a wasteful number, since it uses less digits than its factorization.

2615132317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634336.

The product of its digits is 7560, while the sum is 31.

The square root of 2615132317 is about 51138.3644341506. The cubic root of 2615132317 is about 1377.7313978040.

Adding to 2615132317 its reverse (7132315162), we get a palindrome (9747447479).

The spelling of 2615132317 in words is "two billion, six hundred fifteen million, one hundred thirty-two thousand, three hundred seventeen".