1425654 has 32 divisors (see below), whose sum is σ = 3356640. Its totient is φ = 446976.

The previous prime is 1425653. The next prime is 1425661. The reversal of 1425654 is 4565241.

1425654 is a `hidden beast` number, since 1 + 4 + 2 + 5 + 654 = 666.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1425653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142 + ... + 1694.

It is an arithmetic number, because the mean of its divisors is an integer number (104895).

2^1425654 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1425654, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1678320).

1425654 is an abundant number, since it is smaller than the sum of its proper divisors (1930986).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1425654 is a wasteful number, since it uses less digits than its factorization.

1425654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1581 (or 1575 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 1425654 is about 1194.0075376646. The cubic root of 1425654 is about 112.5480683476.

The spelling of 1425654 in words is "one million, four hundred twenty-five thousand, six hundred fifty-four".