425654 has 4 divisors (see below), whose sum is σ = 638484. Its totient is φ = 212826.

The previous prime is 425653. The next prime is 425681. The reversal of 425654 is 456524.

It is a semiprime because it is the product of two primes.

It is a d-powerful number, because it can be written as 4 + 2¹¹ + 6⁷ + 5 + 5⁷ + 4⁸ .

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 425654.

It is not an unprimeable number, because it can be changed into a prime (425653) 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 as a sum of consecutive naturals, namely, 106412 + ... + 106415.

It is an arithmetic number, because the mean of its divisors is an integer number (159621).

2⁴²⁵⁶⁵⁴ is an apocalyptic number.

425654 is a deficient number, since it is larger than the sum of its proper divisors (212830).

425654 is a wasteful number, since it uses less digits than its factorization.

425654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212829.

The product of its digits is 4800, while the sum is 26.

The square root of 425654 is about 652.4216428047. The cubic root of 425654 is about 75.2232753892.

The spelling of 425654 in words is "four hundred twenty-five thousand, six hundred fifty-four".