1401332617 has 2 divisors, whose sum is σ = 1401332618. Its totient is φ = 1401332616.

The previous prime is 1401332591. The next prime is 1401332623. The reversal of 1401332617 is 7162331041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1373147136 + 28185481 = 37056^2 + 5309^2 .

It is a cyclic number.

It is not a de Polignac number, because 1401332617 - 2⁷ = 1401332489 is a prime.

It is not a weakly prime, because it can be changed into another prime (1401332677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700666308 + 700666309.

It is an arithmetic number, because the mean of its divisors is an integer number (700666309).

Almost surely, 2^1401332617 is an apocalyptic number.

It is an amenable number.

1401332617 is a deficient number, since it is larger than the sum of its proper divisors (1).

1401332617 is an equidigital number, since it uses as much as digits as its factorization.

1401332617 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 1401332617 is about 37434.3774757909. The cubic root of 1401332617 is about 1119.0437780675.

Adding to 1401332617 its reverse (7162331041), we get a palindrome (8563663658).

The spelling of 1401332617 in words is "one billion, four hundred one million, three hundred thirty-two thousand, six hundred seventeen".