1425385 has 8 divisors (see below), whose sum is σ = 1842120. Its totient is φ = 1052544.

The previous prime is 1425371. The next prime is 1425427. The reversal of 1425385 is 5835241.

It can be written as a sum of positive squares in 4 ways, for example, as 310249 + 1115136 = 557^2 + 1056^2 .

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 1425385 - 2¹⁹ = 901097 is a prime.

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, 10900 + ... + 11029.

It is an arithmetic number, because the mean of its divisors is an integer number (230265).

2^1425385 is an apocalyptic number.

It is an amenable number.

1425385 is a deficient number, since it is larger than the sum of its proper divisors (416735).

1425385 is a wasteful number, since it uses less digits than its factorization.

1425385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21947.

The product of its digits is 4800, while the sum is 28.

The square root of 1425385 is about 1193.8948864955. The cubic root of 1425385 is about 112.5409891791.

The spelling of 1425385 in words is "one million, four hundred twenty-five thousand, three hundred eighty-five".