1252345250 has 64 divisors (see below), whose sum is σ = 2566523232. Its totient is φ = 454752000.

The previous prime is 1252345249. The next prime is 1252345267. The reversal of 1252345250 is 525432521.

It can be written as a sum of positive squares in 16 ways, for example, as 508637809 + 743707441 = 22553^2 + 27271^2 .

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 195092 + ... + 201408.

Almost surely, 2^1252345250 is an apocalyptic number.

1252345250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1252345250 is an abundant number, since it is smaller than the sum of its proper divisors (1314177982).

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

1252345250 is a wasteful number, since it uses less digits than its factorization.

1252345250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6408 (or 6398 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 1252345250 is about 35388.4903605678. The cubic root of 1252345250 is about 1077.8906158553.

Adding to 1252345250 its reverse (525432521), we get a palindrome (1777777771).

The spelling of 1252345250 in words is "one billion, two hundred fifty-two million, three hundred forty-five thousand, two hundred fifty".