2516223025 has 12 divisors (see below), whose sum is σ = 3136288972. Its totient is φ = 2002544640.

The previous prime is 2516222993. The next prime is 2516223037. The reversal of 2516223025 is 5203226152.

It can be written as a sum of positive squares in 6 ways, for example, as 707932449 + 1808290576 = 26607^2 + 42524^2 .

It is not a de Polignac number, because 2516223025 - 2⁵ = 2516222993 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2516222984 and 2516223002.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 255924 + ... + 265573.

Almost surely, 2^2516223025 is an apocalyptic number.

2516223025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2516223025 is a deficient number, since it is larger than the sum of its proper divisors (620065947).

2516223025 is a wasteful number, since it uses less digits than its factorization.

2516223025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521700 (or 521695 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 2516223025 is about 50161.9679139485. The cubic root of 2516223025 is about 1360.1382185430.

Adding to 2516223025 its reverse (5203226152), we get a palindrome (7719449177).

The spelling of 2516223025 in words is "two billion, five hundred sixteen million, two hundred twenty-three thousand, twenty-five".