1313252752 has 40 divisors (see below), whose sum is σ = 3001728512. Its totient is φ = 544665600.

The previous prime is 1313252741. The next prime is 1313252767. The reversal of 1313252752 is 2572523131.

It is a Harshad number since it is a multiple of its sum of digits (31).

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, 185649 + ... + 192592.

Almost surely, 2^1313252752 is an apocalyptic number.

It is an amenable number.

1313252752 is an abundant number, since it is smaller than the sum of its proper divisors (1688475760).

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

1313252752 is a wasteful number, since it uses less digits than its factorization.

1313252752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378287 (or 378281 counting only the distinct ones).

The product of its digits is 12600, while the sum is 31.

The square root of 1313252752 is about 36238.8293409155. The cubic root of 1313252752 is about 1095.0890587337.

Adding to 1313252752 its reverse (2572523131), we get a palindrome (3885775883).

The spelling of 1313252752 in words is "one billion, three hundred thirteen million, two hundred fifty-two thousand, seven hundred fifty-two".