1312452511 has 2 divisors, whose sum is σ = 1312452512. Its totient is φ = 1312452510.

The previous prime is 1312452509. The next prime is 1312452521. The reversal of 1312452511 is 1152542131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1312452511 - 2¹ = 1312452509 is a prime.

Together with 1312452509, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1312452521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656226255 + 656226256.

It is an arithmetic number, because the mean of its divisors is an integer number (656226256).

Almost surely, 2^1312452511 is an apocalyptic number.

1312452511 is a deficient number, since it is larger than the sum of its proper divisors (1).

1312452511 is an equidigital number, since it uses as much as digits as its factorization.

1312452511 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1200, while the sum is 25.

The square root of 1312452511 is about 36227.7864490780. The cubic root of 1312452511 is about 1094.8665797978.

Adding to 1312452511 its reverse (1152542131), we get a palindrome (2464994642).

The spelling of 1312452511 in words is "one billion, three hundred twelve million, four hundred fifty-two thousand, five hundred eleven".