1328517401 has 8 divisors (see below), whose sum is σ = 1335981600. Its totient is φ = 1321064640.

The previous prime is 1328517389. The next prime is 1328517403. The reversal of 1328517401 is 1047158231.

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 1328517401 - 2¹⁴ = 1328501017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1328517403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 339665 + ... + 343553.

It is an arithmetic number, because the mean of its divisors is an integer number (166997700).

Almost surely, 2^1328517401 is an apocalyptic number.

It is an amenable number.

1328517401 is a deficient number, since it is larger than the sum of its proper divisors (7464199).

1328517401 is a wasteful number, since it uses less digits than its factorization.

1328517401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5719.

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 1328517401 is about 36448.8326424866. The cubic root of 1328517401 is about 1099.3156627749.

The spelling of 1328517401 in words is "one billion, three hundred twenty-eight million, five hundred seventeen thousand, four hundred one".