2506610650 has 24 divisors (see below), whose sum is σ = 4823067420. Its totient is φ = 968069760.

The previous prime is 2506610647. The next prime is 2506610651. The reversal of 2506610650 is 560166052.

It can be written as a sum of positive squares in 6 ways, for example, as 1248986281 + 1257624369 = 35341^2 + 35463^2 .

It is not an unprimeable number, because it can be changed into a prime (2506610651) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 862899 + ... + 865798.

Almost surely, 2^2506610650 is an apocalyptic number.

2506610650 is a deficient number, since it is larger than the sum of its proper divisors (2316456770).

2506610650 is a wasteful number, since it uses less digits than its factorization.

2506610650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1728738 (or 1728733 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 2506610650 is about 50066.0628569893. The cubic root of 2506610650 is about 1358.4040264143.

The spelling of 2506610650 in words is "two billion, five hundred six million, six hundred ten thousand, six hundred fifty".