1425797 has 2 divisors, whose sum is σ = 1425798. Its totient is φ = 1425796.

The previous prime is 1425791. The next prime is 1425811. The reversal of 1425797 is 7975241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 776161 + 649636 = 881^2 + 806^2 .

It is an emirp because it is prime and its reverse (7975241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1425797 - 2⁶ = 1425733 is a prime.

It is a Chen prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1425791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 712898 + 712899.

It is an arithmetic number, because the mean of its divisors is an integer number (712899).

2^1425797 is an apocalyptic number.

It is an amenable number.

1425797 is a deficient number, since it is larger than the sum of its proper divisors (1).

1425797 is an equidigital number, since it uses as much as digits as its factorization.

1425797 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17640, while the sum is 35.

The square root of 1425797 is about 1194.0674185321. The cubic root of 1425797 is about 112.5518312605.

It can be divided in two parts, 1425 and 797, that added together give a palindrome (2222).

The spelling of 1425797 in words is "one million, four hundred twenty-five thousand, seven hundred ninety-seven".