1031545252 has 12 divisors (see below), whose sum is σ = 1805569920. Its totient is φ = 515668136.

The previous prime is 1031545241. The next prime is 1031545259. The reversal of 1031545252 is 2525451301.

1031545252 is digitally balanced in base 2, because in such base 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 1031545252.

It is not an unprimeable number, because it can be changed into a prime (1031545259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1288 + ... + 45439.

It is an arithmetic number, because the mean of its divisors is an integer number (150464160).

Almost surely, 2^1031545252 is an apocalyptic number.

It is an amenable number.

1031545252 is a deficient number, since it is larger than the sum of its proper divisors (774024668).

1031545252 is a wasteful number, since it uses less digits than its factorization.

1031545252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52250 (or 52248 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 1031545252 is about 32117.6781850743. The cubic root of 1031545252 is about 1010.4064148804.

Adding to 1031545252 its reverse (2525451301), we get a palindrome (3556996553).

The spelling of 1031545252 in words is "one billion, thirty-one million, five hundred forty-five thousand, two hundred fifty-two".