2516263603 has 16 divisors (see below), whose sum is σ = 2994183360. Its totient is φ = 2069683200.

The previous prime is 2516263597. The next prime is 2516263609. The reversal of 2516263603 is 3063626152.

It is an interprime number because it is at equal distance from previous prime (2516263597) and next prime (2516263609).

It is a cyclic number.

It is not a de Polignac number, because 2516263603 - 2²¹ = 2514166451 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2516263609) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54358 + ... + 89371.

It is an arithmetic number, because the mean of its divisors is an integer number (187136460).

Almost surely, 2^2516263603 is an apocalyptic number.

2516263603 is a deficient number, since it is larger than the sum of its proper divisors (477919757).

2516263603 is a wasteful number, since it uses less digits than its factorization.

2516263603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143838.

The product of its (nonzero) digits is 38880, while the sum is 34.

The square root of 2516263603 is about 50162.3723820953. The cubic root of 2516263603 is about 1360.1455299500.

Adding to 2516263603 its reverse (3063626152), we get a palindrome (5579889755).

The spelling of 2516263603 in words is "two billion, five hundred sixteen million, two hundred sixty-three thousand, six hundred three".