2516263609 has 2 divisors, whose sum is σ = 2516263610. Its totient is φ = 2516263608.

The previous prime is 2516263597. The next prime is 2516263621. The reversal of 2516263609 is 9063626152.

It is a balanced prime because it is at equal distance from previous prime (2516263597) and next prime (2516263621).

It can be written as a sum of positive squares in only one way, i.e., 2065975209 + 450288400 = 45453^2 + 21220^2 .

It is a cyclic number.

It is not a de Polignac number, because 2516263609 - 2¹⁹ = 2515739321 is a prime.

It is not a weakly prime, because it can be changed into another prime (2516261609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1258131804 + 1258131805.

It is an arithmetic number, because the mean of its divisors is an integer number (1258131805).

Almost surely, 2^2516263609 is an apocalyptic number.

It is an amenable number.

2516263609 is a deficient number, since it is larger than the sum of its proper divisors (1).

2516263609 is an equidigital number, since it uses as much as digits as its factorization.

2516263609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 116640, while the sum is 40.

The square root of 2516263609 is about 50162.3724419011. The cubic root of 2516263609 is about 1360.1455310311.

The spelling of 2516263609 in words is "two billion, five hundred sixteen million, two hundred sixty-three thousand, six hundred nine".