2137502317 has 8 divisors (see below), whose sum is σ = 2160548280. Its totient is φ = 2114519040.

The previous prime is 2137502287. The next prime is 2137502347. The reversal of 2137502317 is 7132057312.

It is an interprime number because it is at equal distance from previous prime (2137502287) and next prime (2137502347).

It can be written as a sum of positive squares in 4 ways, for example, as 1140142756 + 997359561 = 33766^2 + 31581^2 .

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 2137502317 - 2¹⁹ = 2136978029 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 (2137502347) 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, 54573 + ... + 85165.

It is an arithmetic number, because the mean of its divisors is an integer number (270068535).

Almost surely, 2^2137502317 is an apocalyptic number.

It is an amenable number.

2137502317 is a deficient number, since it is larger than the sum of its proper divisors (23045963).

2137502317 is a wasteful number, since it uses less digits than its factorization.

2137502317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31343.

The product of its (nonzero) digits is 8820, while the sum is 31.

The square root of 2137502317 is about 46233.1300800627. The cubic root of 2137502317 is about 1288.1571982964.

Adding to 2137502317 its reverse (7132057312), we get a palindrome (9269559629).

The spelling of 2137502317 in words is "two billion, one hundred thirty-seven million, five hundred two thousand, three hundred seventeen".