2651521132 has 24 divisors (see below), whose sum is σ = 5006740032. Its totient is φ = 1221417600.

The previous prime is 2651521129. The next prime is 2651521133. The reversal of 2651521132 is 2311251562.

It is a super-2 number, since 2×2651521132² = 14061128626885122848, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2651521132.

It is not an unprimeable number, because it can be changed into a prime (2651521133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21844 + ... + 76027.

It is an arithmetic number, because the mean of its divisors is an integer number (208614168).

Almost surely, 2^2651521132 is an apocalyptic number.

It is an amenable number.

2651521132 is a deficient number, since it is larger than the sum of its proper divisors (2355218900).

2651521132 is a wasteful number, since it uses less digits than its factorization.

2651521132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98409 (or 98407 counting only the distinct ones).

The product of its digits is 3600, while the sum is 28.

The square root of 2651521132 is about 51492.9231254160. The cubic root of 2651521132 is about 1384.0922308979.

Adding to 2651521132 its reverse (2311251562), we get a palindrome (4962772694).

The spelling of 2651521132 in words is "two billion, six hundred fifty-one million, five hundred twenty-one thousand, one hundred thirty-two".