1425617 has 8 divisors (see below), whose sum is σ = 1474080. Its totient is φ = 1378080.

The previous prime is 1425607. The next prime is 1425629. The reversal of 1425617 is 7165241.

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 1425617 - 2⁴ = 1425601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1425607) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4142 + ... + 4472.

It is an arithmetic number, because the mean of its divisors is an integer number (184260).

2^1425617 is an apocalyptic number.

It is an amenable number.

1425617 is a deficient number, since it is larger than the sum of its proper divisors (48463).

1425617 is an equidigital number, since it uses as much as digits as its factorization.

1425617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463.

The product of its digits is 1680, while the sum is 26.

The square root of 1425617 is about 1193.9920435246. The cubic root of 1425617 is about 112.5470946858.

The spelling of 1425617 in words is "one million, four hundred twenty-five thousand, six hundred seventeen".