1015543252 has 12 divisors (see below), whose sum is σ = 1788971296. Its totient is φ = 504408600.

The previous prime is 1015543247. The next prime is 1015543253. The reversal of 1015543252 is 2523455101.

It is a self number, because there is not a number n which added to its sum of digits gives 1015543252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1015543253) 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, 840078 + ... + 841285.

Almost surely, 2^1015543252 is an apocalyptic number.

It is an amenable number.

1015543252 is a deficient number, since it is larger than the sum of its proper divisors (773428044).

1015543252 is a wasteful number, since it uses less digits than its factorization.

1015543252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1681518 (or 1681516 counting only the distinct ones).

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

The square root of 1015543252 is about 31867.5893660001. The cubic root of 1015543252 is about 1005.1544697922.

Adding to 1015543252 its reverse (2523455101), we get a palindrome (3538998353).

The spelling of 1015543252 in words is "one billion, fifteen million, five hundred forty-three thousand, two hundred fifty-two".