6501624252 has 24 divisors (see below), whose sum is σ = 15523259136. Its totient is φ = 2116807728.

The previous prime is 6501624251. The next prime is 6501624253. The reversal of 6501624252 is 2524261056.

It is an interprime number because it is at equal distance from previous prime (6501624251) and next prime (6501624253).

It is a super-2 number, since 2×6501624252² = 84542235828389119008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6501624251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6299508 + ... + 6300539.

It is an arithmetic number, because the mean of its divisors is an integer number (646802464).

Almost surely, 2^6501624252 is an apocalyptic number.

It is an amenable number.

6501624252 is an abundant number, since it is smaller than the sum of its proper divisors (9021634884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6501624252 is a wasteful number, since it uses less digits than its factorization.

6501624252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12600097 (or 12600095 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 6501624252 is about 80632.6500370663. The cubic root of 6501624252 is about 1866.4110151728.

The spelling of 6501624252 in words is "six billion, five hundred one million, six hundred twenty-four thousand, two hundred fifty-two".