7209853252 has 12 divisors (see below), whose sum is σ = 14419706560. Its totient is φ = 3089937096.

The previous prime is 7209853247. The next prime is 7209853267. The reversal of 7209853252 is 2523589027.

7209853252 is an admirable number.

It is a super-3 number, since 3×7209853252³ (a number of 31 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7209853199 and 7209853208.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 128747352 + ... + 128747407.

Almost surely, 2^7209853252 is an apocalyptic number.

It is an amenable number.

7209853252 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

7209853252 is a wasteful number, since it uses less digits than its factorization.

7209853252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257494770 (or 257494768 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 43.

The square root of 7209853252 is about 84910.8547360112. The cubic root of 7209853252 is about 1931.8592204959.

The spelling of 7209853252 in words is "seven billion, two hundred nine million, eight hundred fifty-three thousand, two hundred fifty-two".