2516703620 has 12 divisors (see below), whose sum is σ = 5285077644. Its totient is φ = 1006681440.

The previous prime is 2516703617. The next prime is 2516703643. The reversal of 2516703620 is 263076152.

It can be written as a sum of positive squares in 2 ways, for example, as 1807440196 + 709263424 = 42514^2 + 26632^2 .

It is a super-2 number, since 2×2516703620² = 12667594221842208800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62917571 + ... + 62917610.

It is an arithmetic number, because the mean of its divisors is an integer number (440423137).

Almost surely, 2^2516703620 is an apocalyptic number.

2516703620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2516703620 is an abundant number, since it is smaller than the sum of its proper divisors (2768374024).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2516703620 is a wasteful number, since it uses less digits than its factorization.

2516703620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125835190 (or 125835188 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 2516703620 is about 50166.7581173031. The cubic root of 2516703620 is about 1360.2248078488.

Adding to 2516703620 its reverse (263076152), we get a palindrome (2779779772).

The spelling of 2516703620 in words is "two billion, five hundred sixteen million, seven hundred three thousand, six hundred twenty".