1306325641 has 8 divisors (see below), whose sum is σ = 1396370304. Its totient is φ = 1219051680.

The previous prime is 1306325633. The next prime is 1306325653. The reversal of 1306325641 is 1465236031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1306325641 - 2³ = 1306325633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1306325621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 691701 + ... + 693586.

It is an arithmetic number, because the mean of its divisors is an integer number (174546288).

Almost surely, 2^1306325641 is an apocalyptic number.

It is an amenable number.

1306325641 is a deficient number, since it is larger than the sum of its proper divisors (90044663).

1306325641 is a wasteful number, since it uses less digits than its factorization.

1306325641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1385351.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 1306325641 is about 36143.1271613290. The cubic root of 1306325641 is about 1093.1602143749.

The spelling of 1306325641 in words is "one billion, three hundred six million, three hundred twenty-five thousand, six hundred forty-one".