1312652401 has 2 divisors, whose sum is σ = 1312652402. Its totient is φ = 1312652400.

The previous prime is 1312652377. The next prime is 1312652479. The reversal of 1312652401 is 1042562131.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1191630400 + 121022001 = 34520^2 + 11001^2 .

It is a cyclic number.

It is not a de Polignac number, because 1312652401 - 2⁷ = 1312652273 is a prime.

It is not a weakly prime, because it can be changed into another prime (1312652101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656326200 + 656326201.

It is an arithmetic number, because the mean of its divisors is an integer number (656326201).

Almost surely, 2^1312652401 is an apocalyptic number.

It is an amenable number.

1312652401 is a deficient number, since it is larger than the sum of its proper divisors (1).

1312652401 is an equidigital number, since it uses as much as digits as its factorization.

1312652401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 1312652401 is about 36230.5451380462. The cubic root of 1312652401 is about 1094.9221606713.

The spelling of 1312652401 in words is "one billion, three hundred twelve million, six hundred fifty-two thousand, four hundred one".