1425566 has 8 divisors (see below), whose sum is σ = 2207424. Its totient is φ = 689760.

The previous prime is 1425547. The next prime is 1425583. The reversal of 1425566 is 6655241.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11435 + ... + 11558.

It is an arithmetic number, because the mean of its divisors is an integer number (275928).

2^1425566 is an apocalyptic number.

1425566 is a deficient number, since it is larger than the sum of its proper divisors (781858).

1425566 is a wasteful number, since it uses less digits than its factorization.

1425566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23026.

The product of its digits is 7200, while the sum is 29.

The square root of 1425566 is about 1193.9706864073. The cubic root of 1425566 is about 112.5457525838.

It can be divided in two parts, 1425 and 566, that added together give a palindrome (1991).

The spelling of 1425566 in words is "one million, four hundred twenty-five thousand, five hundred sixty-six".