1312532353 has 4 divisors (see below), whose sum is σ = 1431853488. Its totient is φ = 1193211220.

The previous prime is 1312532323. The next prime is 1312532363. The reversal of 1312532353 is 3532352131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1312532353 - 2⁵ = 1312532321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1312532323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59660551 + ... + 59660572.

It is an arithmetic number, because the mean of its divisors is an integer number (357963372).

Almost surely, 2^1312532353 is an apocalyptic number.

It is an amenable number.

1312532353 is a deficient number, since it is larger than the sum of its proper divisors (119321135).

1312532353 is a wasteful number, since it uses less digits than its factorization.

1312532353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119321134.

The product of its digits is 8100, while the sum is 28.

The square root of 1312532353 is about 36228.8883765428. Note that the first 3 decimals coincide. The cubic root of 1312532353 is about 1094.8887811255. Note that the first 3 decimals are identical.

Adding to 1312532353 its reverse (3532352131), we get a palindrome (4844884484).

The spelling of 1312532353 in words is "one billion, three hundred twelve million, five hundred thirty-two thousand, three hundred fifty-three".