1330523252 has 12 divisors (see below), whose sum is σ = 2363168640. Its totient is φ = 655332216.

The previous prime is 1330523231. The next prime is 1330523261. The reversal of 1330523252 is 2523250331.

It is a super-3 number, since 3×1330523252³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2482052 + ... + 2482587.

It is an arithmetic number, because the mean of its divisors is an integer number (196930720).

Almost surely, 2^1330523252 is an apocalyptic number.

It is an amenable number.

1330523252 is a deficient number, since it is larger than the sum of its proper divisors (1032645388).

1330523252 is a wasteful number, since it uses less digits than its factorization.

1330523252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4964710 (or 4964708 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 1330523252 is about 36476.3382482398. The cubic root of 1330523252 is about 1099.8686487788.

Adding to 1330523252 its reverse (2523250331), we get a palindrome (3853773583).

The spelling of 1330523252 in words is "one billion, three hundred thirty million, five hundred twenty-three thousand, two hundred fifty-two".