1425697 has 8 divisors (see below), whose sum is σ = 1754816. Its totient is φ = 1127952.

The previous prime is 1425667. The next prime is 1425707. The reversal of 1425697 is 7965241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-1425697 is a prime.

It is a super-2 number, since 2×1425697² = 4065223871618, which contains 22 as substring.

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, 7743 + ... + 7924.

It is an arithmetic number, because the mean of its divisors is an integer number (219352).

2^1425697 is an apocalyptic number.

It is an amenable number.

1425697 is a deficient number, since it is larger than the sum of its proper divisors (329119).

1425697 is a wasteful number, since it uses less digits than its factorization.

1425697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15687.

The product of its digits is 15120, while the sum is 34.

The square root of 1425697 is about 1194.0255441154. The cubic root of 1425697 is about 112.5491998793.

The spelling of 1425697 in words is "one million, four hundred twenty-five thousand, six hundred ninety-seven".