2312503517 has 2 divisors, whose sum is σ = 2312503518. Its totient is φ = 2312503516.

The previous prime is 2312503511. The next prime is 2312503549. The reversal of 2312503517 is 7153052132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2162343001 + 150160516 = 46501^2 + 12254^2 .

It is a cyclic number.

It is not a de Polignac number, because 2312503517 - 2¹² = 2312499421 is a prime.

It is a super-2 number, since 2×2312503517² = 10695345032274738578, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2312503517.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2312503511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1156251758 + 1156251759.

It is an arithmetic number, because the mean of its divisors is an integer number (1156251759).

Almost surely, 2^2312503517 is an apocalyptic number.

It is an amenable number.

2312503517 is a deficient number, since it is larger than the sum of its proper divisors (1).

2312503517 is an equidigital number, since it uses as much as digits as its factorization.

2312503517 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6300, while the sum is 29.

The square root of 2312503517 is about 48088.4967221892. The cubic root of 2312503517 is about 1322.3937885670.

Adding to 2312503517 its reverse (7153052132), we get a palindrome (9465555649).

The spelling of 2312503517 in words is "two billion, three hundred twelve million, five hundred three thousand, five hundred seventeen".