1310629 has 2 divisors, whose sum is σ = 1310630. Its totient is φ = 1310628.

The previous prime is 1310627. The next prime is 1310633. The reversal of 1310629 is 9260131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 813604 + 497025 = 902^2 + 705^2 .

It is an emirp because it is prime and its reverse (9260131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1310629 - 2¹ = 1310627 is a prime.

Together with 1310627, 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 (1310627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655314 + 655315.

It is an arithmetic number, because the mean of its divisors is an integer number (655315).

2^1310629 is an apocalyptic number.

It is an amenable number.

1310629 is a deficient number, since it is larger than the sum of its proper divisors (1).

1310629 is an equidigital number, since it uses as much as digits as its factorization.

1310629 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 1310629 is about 1144.8270611756. The cubic root of 1310629 is about 109.4359278495.

The spelling of 1310629 in words is "one million, three hundred ten thousand, six hundred twenty-nine".