252009532 has 12 divisors (see below), whose sum is σ = 448491960. Its totient is φ = 123868976.

The previous prime is 252009523. The next prime is 252009577. The reversal of 252009532 is 235900252.

252009532 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 252009532.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 533683 + ... + 534154.

It is an arithmetic number, because the mean of its divisors is an integer number (37374330).

Almost surely, 2^252009532 is an apocalyptic number.

It is an amenable number.

252009532 is a deficient number, since it is larger than the sum of its proper divisors (196482428).

252009532 is a wasteful number, since it uses less digits than its factorization.

252009532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1067900 (or 1067898 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 252009532 is about 15874.8080933282. The cubic root of 252009532 is about 631.6439236255.

Adding to 252009532 its reverse (235900252), we get a palindrome (487909784).

The spelling of 252009532 in words is "two hundred fifty-two million, nine thousand, five hundred thirty-two".