1401532417 has 2 divisors, whose sum is σ = 1401532418. Its totient is φ = 1401532416.

The previous prime is 1401532369. The next prime is 1401532427. The reversal of 1401532417 is 7142351041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1062825201 + 338707216 = 32601^2 + 18404^2 .

It is a cyclic number.

It is not a de Polignac number, because 1401532417 - 2¹⁹ = 1401008129 is a prime.

It is not a weakly prime, because it can be changed into another prime (1401532427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700766208 + 700766209.

It is an arithmetic number, because the mean of its divisors is an integer number (700766209).

Almost surely, 2^1401532417 is an apocalyptic number.

It is an amenable number.

1401532417 is a deficient number, since it is larger than the sum of its proper divisors (1).

1401532417 is an equidigital number, since it uses as much as digits as its factorization.

1401532417 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 1401532417 is about 37437.0460506702. The cubic root of 1401532417 is about 1119.0969594271.

Adding to 1401532417 its reverse (7142351041), we get a palindrome (8543883458).

The spelling of 1401532417 in words is "one billion, four hundred one million, five hundred thirty-two thousand, four hundred seventeen".