2315641529 has 2 divisors, whose sum is σ = 2315641530. Its totient is φ = 2315641528.

The previous prime is 2315641487. The next prime is 2315641567. The reversal of 2315641529 is 9251465132.

It is an a-pointer prime, because the next prime (2315641567) can be obtained adding 2315641529 to its sum of digits (38).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2311397929 + 4243600 = 48077^2 + 2060^2 .

It is a cyclic number.

It is not a de Polignac number, because 2315641529 - 2¹² = 2315637433 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2315641492 and 2315641501.

It is not a weakly prime, because it can be changed into another prime (2315641729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1157820764 + 1157820765.

It is an arithmetic number, because the mean of its divisors is an integer number (1157820765).

Almost surely, 2^2315641529 is an apocalyptic number.

It is an amenable number.

2315641529 is a deficient number, since it is larger than the sum of its proper divisors (1).

2315641529 is an equidigital number, since it uses as much as digits as its factorization.

2315641529 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64800, while the sum is 38.

The square root of 2315641529 is about 48121.1131313481. The cubic root of 2315641529 is about 1322.9916704659.

The spelling of 2315641529 in words is "two billion, three hundred fifteen million, six hundred forty-one thousand, five hundred twenty-nine".