2516500325 has 6 divisors (see below), whose sum is σ = 3120460434. Its totient is φ = 2013200240.

The previous prime is 2516500313. The next prime is 2516500339. The reversal of 2516500325 is 5230056152.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 29084449 + 2487415876 = 5393^2 + 49874^2 .

It is not a de Polignac number, because 2516500325 - 2¹⁴ = 2516483941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 50329982 + ... + 50330031.

It is an arithmetic number, because the mean of its divisors is an integer number (520076739).

Almost surely, 2^2516500325 is an apocalyptic number.

2516500325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2516500325 is a deficient number, since it is larger than the sum of its proper divisors (603960109).

2516500325 is a wasteful number, since it uses less digits than its factorization.

2516500325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100660023 (or 100660018 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 2516500325 is about 50164.7318840637. The cubic root of 2516500325 is about 1360.1881813206.

Adding to 2516500325 its reverse (5230056152), we get a palindrome (7746556477).

The spelling of 2516500325 in words is "two billion, five hundred sixteen million, five hundred thousand, three hundred twenty-five".