1305250352 has 40 divisors (see below), whose sum is σ = 2894865312. Its totient is φ = 558489600.

The previous prime is 1305250291. The next prime is 1305250363. The reversal of 1305250352 is 2530525031.

It is a super-2 number, since 2×1305250352² = 3407356962792247808, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 62702 + ... + 80882.

Almost surely, 2^1305250352 is an apocalyptic number.

It is an amenable number.

1305250352 is an abundant number, since it is smaller than the sum of its proper divisors (1589614960).

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

1305250352 is a wasteful number, since it uses less digits than its factorization.

1305250352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18837 (or 18831 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 1305250352 is about 36128.2486705348. The cubic root of 1305250352 is about 1092.8601907085.

Adding to 1305250352 its reverse (2530525031), we get a palindrome (3835775383).

The spelling of 1305250352 in words is "one billion, three hundred five million, two hundred fifty thousand, three hundred fifty-two".