1425685 has 8 divisors (see below), whose sum is σ = 1717560. Its totient is φ = 1136064.

The previous prime is 1425667. The next prime is 1425707. The reversal of 1425685 is 5865241.

It can be written as a sum of positive squares in 4 ways, for example, as 329476 + 1096209 = 574^2 + 1047^2 .

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 1425685 - 2⁵ = 1425653 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1579 + ... + 2311.

It is an arithmetic number, because the mean of its divisors is an integer number (214695).

2^1425685 is an apocalyptic number.

It is an amenable number.

1425685 is a deficient number, since it is larger than the sum of its proper divisors (291875).

1425685 is an equidigital number, since it uses as much as digits as its factorization.

1425685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1127.

The product of its digits is 9600, while the sum is 31.

The square root of 1425685 is about 1194.0205190867. The cubic root of 1425685 is about 112.5488841053.

It can be divided in two parts, 14256 and 85, that added together give a palindrome (14341).

The spelling of 1425685 in words is "one million, four hundred twenty-five thousand, six hundred eighty-five".