2500022752538 has 32 divisors (see below), whose sum is σ = 4113610822800. Its totient is φ = 1134234809344.

The previous prime is 2500022752523. The next prime is 2500022752649. The reversal of 2500022752538 is 8352572200052.

2500022752538 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 2349957163849 + 150065588689 = 1532957^2 + 387383^2 .

It is a super-2 number, since 2×2500022752538² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2500022752495 and 2500022752504.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1205093 + ... + 2540136.

Almost surely, 2^{2500022752538} is an apocalyptic number.

2500022752538 is a deficient number, since it is larger than the sum of its proper divisors (1613588070262).

2500022752538 is a wasteful number, since it uses less digits than its factorization.

2500022752538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3745954.

The product of its (nonzero) digits is 336000, while the sum is 41.

The spelling of 2500022752538 in words is "two trillion, five hundred billion, twenty-two million, seven hundred fifty-two thousand, five hundred thirty-eight".