2500531706 has 12 divisors (see below), whose sum is σ = 3852833262. Its totient is φ = 1216265616.

The previous prime is 2500531667. The next prime is 2500531753. The reversal of 2500531706 is 6071350052.

2500531706 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 3 ways, for example, as 2497500625 + 3031081 = 49975^2 + 1741^2 .

It is a super-2 number, since 2×2500531706² = 12505317625422540872, which contains 22 as substring.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

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, 427256 + ... + 433068.

Almost surely, 2^2500531706 is an apocalyptic number.

2500531706 is a deficient number, since it is larger than the sum of its proper divisors (1352301556).

2500531706 is an frugal number, since it uses more digits than its factorization.

2500531706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11665 (or 5852 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 29.

The square root of 2500531706 is about 50005.3167773188. The cubic root of 2500531706 is about 1357.3050196192.

Adding to 2500531706 its reverse (6071350052), we get a palindrome (8571881758).

The spelling of 2500531706 in words is "two billion, five hundred million, five hundred thirty-one thousand, seven hundred six".