1252530252 has 18 divisors (see below), whose sum is σ = 3166118228. Its totient is φ = 417510072.

The previous prime is 1252530247. The next prime is 1252530269. The reversal of 1252530252 is 2520352521.

1252530252 is a `hidden beast` number, since 125 + 2 + 530 + 2 + 5 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17396218 + ... + 17396289.

Almost surely, 2^1252530252 is an apocalyptic number.

1252530252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1252530252 is an abundant number, since it is smaller than the sum of its proper divisors (1913587976).

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

1252530252 is a wasteful number, since it uses less digits than its factorization.

1252530252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34792517 (or 34792512 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 1252530252 is about 35391.1041364917. The cubic root of 1252530252 is about 1077.9436901709.

Adding to 1252530252 its reverse (2520352521), we get a palindrome (3772882773).

The spelling of 1252530252 in words is "one billion, two hundred fifty-two million, five hundred thirty thousand, two hundred fifty-two".