1425165 has 32 divisors (see below), whose sum is σ = 2668800. Its totient is φ = 649152.

The previous prime is 1425139. The next prime is 1425169. The reversal of 1425165 is 5615241.

It is not a de Polignac number, because 1425165 - 2²⁰ = 376589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1425169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5007 + ... + 5283.

It is an arithmetic number, because the mean of its divisors is an integer number (83400).

2^1425165 is an apocalyptic number.

1425165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1425165 is a deficient number, since it is larger than the sum of its proper divisors (1243635).

1425165 is an equidigital number, since it uses as much as digits as its factorization.

1425165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306 (or 292 counting only the distinct ones).

The product of its digits is 1200, while the sum is 24.

The square root of 1425165 is about 1193.8027475257. The cubic root of 1425165 is about 112.5351988624.

The spelling of 1425165 in words is "one million, four hundred twenty-five thousand, one hundred sixty-five".