316525105249 has 2 divisors, whose sum is σ = 316525105250. Its totient is φ = 316525105248.

The previous prime is 316525105243. The next prime is 316525105289. The reversal of 316525105249 is 942501525613.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 316217278224 + 307827025 = 562332^2 + 17545^2 .

It is a cyclic number.

It is not a de Polignac number, because 316525105249 - 2¹⁹ = 316524580961 is a prime.

It is not a weakly prime, because it can be changed into another prime (316525105243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158262552624 + 158262552625.

It is an arithmetic number, because the mean of its divisors is an integer number (158262552625).

Almost surely, 2^316525105249 is an apocalyptic number.

It is an amenable number.

316525105249 is a deficient number, since it is larger than the sum of its proper divisors (1).

316525105249 is an equidigital number, since it uses as much as digits as its factorization.

316525105249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324000, while the sum is 43.

The spelling of 316525105249 in words is "three hundred sixteen billion, five hundred twenty-five million, one hundred five thousand, two hundred forty-nine".