2500660052 has 18 divisors (see below), whose sum is σ = 4810154874. Its totient is φ = 1136663440.

The previous prime is 2500660021. The next prime is 2500660061.

It is a happy number.

2500660052 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 1705194436 + 795465616 = 41294^2 + 28204^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2582843 + ... + 2583810.

Almost surely, 2^2500660052 is an apocalyptic number.

2500660052 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2500660052 is a deficient number, since it is larger than the sum of its proper divisors (2309494822).

2500660052 is a wasteful number, since it uses less digits than its factorization.

2500660052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5166679 (or 5166666 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 2500660052 is about 50006.6000843889. The cubic root of 2500660052 is about 1357.3282415722.

It can be divided in two parts, 25006 and 60052, that added together give a palindrome (85058).

The spelling of 2500660052 in words is "two billion, five hundred million, six hundred sixty thousand, fifty-two".