2503250320 has 20 divisors (see below), whose sum is σ = 5820057180. Its totient is φ = 1001300096.

The previous prime is 2503250317. The next prime is 2503250329. The reversal of 2503250320 is 230523052.

It can be written as a sum of positive squares in 2 ways, for example, as 389825536 + 2113424784 = 19744^2 + 45972^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 2503250291 and 2503250300.

It is not an unprimeable number, because it can be changed into a prime (2503250329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15645235 + ... + 15645394.

It is an arithmetic number, because the mean of its divisors is an integer number (291002859).

Almost surely, 2^2503250320 is an apocalyptic number.

2503250320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2503250320 is an abundant number, since it is smaller than the sum of its proper divisors (3316806860).

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

2503250320 is a wasteful number, since it uses less digits than its factorization.

2503250320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31290642 (or 31290636 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 22.

The square root of 2503250320 is about 50032.4926422820. The cubic root of 2503250320 is about 1357.7967353021.

Adding to 2503250320 its reverse (230523052), we get a palindrome (2733773372).

The spelling of 2503250320 in words is "two billion, five hundred three million, two hundred fifty thousand, three hundred twenty".