1252534330 has 32 divisors (see below), whose sum is σ = 2410851600. Its totient is φ = 466867200.

The previous prime is 1252534307. The next prime is 1252534333. The reversal of 1252534330 is 334352521.

It can be written as a sum of positive squares in 8 ways, for example, as 1249551801 + 2982529 = 35349^2 + 1727^2 .

It is not an unprimeable number, because it can be changed into a prime (1252534333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19305 + ... + 53644.

Almost surely, 2^1252534330 is an apocalyptic number.

1252534330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1252534330 is a deficient number, since it is larger than the sum of its proper divisors (1158317270).

1252534330 is a wasteful number, since it uses less digits than its factorization.

1252534330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73074.

The product of its (nonzero) digits is 10800, while the sum is 28.

The square root of 1252534330 is about 35391.1617497928. The cubic root of 1252534330 is about 1077.9448600295.

Adding to 1252534330 its reverse (334352521), we get a palindrome (1586886851).

The spelling of 1252534330 in words is "one billion, two hundred fifty-two million, five hundred thirty-four thousand, three hundred thirty".