1252530435 has 64 divisors (see below), whose sum is σ = 2265274368. Its totient is φ = 586358784.

The previous prime is 1252530427. The next prime is 1252530439. The reversal of 1252530435 is 5340352521.

It is not a de Polignac number, because 1252530435 - 2³ = 1252530427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1252530439) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 864882 + ... + 866328.

It is an arithmetic number, because the mean of its divisors is an integer number (35394912).

Almost surely, 2^1252530435 is an apocalyptic number.

1252530435 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1252530435 is a deficient number, since it is larger than the sum of its proper divisors (1012743933).

1252530435 is a wasteful number, since it uses less digits than its factorization.

1252530435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1684.

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 1252530435 is about 35391.1067218871. The cubic root of 1252530435 is about 1077.9437426683.

Adding to 1252530435 its reverse (5340352521), we get a palindrome (6592882956).

The spelling of 1252530435 in words is "one billion, two hundred fifty-two million, five hundred thirty thousand, four hundred thirty-five".