1427617 has 2 divisors, whose sum is σ = 1427618. Its totient is φ = 1427616.

The previous prime is 1427599. The next prime is 1427627. The reversal of 1427617 is 7167241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1115136 + 312481 = 1056^2 + 559^2 .

It is an emirp because it is prime and its reverse (7167241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1427617 - 2¹⁵ = 1394849 is a prime.

It is not a weakly prime, because it can be changed into another prime (1427627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 713808 + 713809.

It is an arithmetic number, because the mean of its divisors is an integer number (713809).

2^1427617 is an apocalyptic number.

It is an amenable number.

1427617 is a deficient number, since it is larger than the sum of its proper divisors (1).

1427617 is an equidigital number, since it uses as much as digits as its factorization.

1427617 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2352, while the sum is 28.

The square root of 1427617 is about 1194.8292765077. The cubic root of 1427617 is about 112.5997009163.

The spelling of 1427617 in words is "one million, four hundred twenty-seven thousand, six hundred seventeen".