425553 has 4 divisors (see below), whose sum is σ = 567408. Its totient is φ = 283700.

The previous prime is 425549. The next prime is 425563. The reversal of 425553 is 355524.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 425553 - 2² = 425549 is a prime.

It is a D-number.

425553 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (425533) 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 3 ways as a sum of consecutive naturals, for example, 70923 + ... + 70928.

It is an arithmetic number, because the mean of its divisors is an integer number (141852).

2⁴²⁵⁵⁵³ is an apocalyptic number.

It is an amenable number.

425553 is a deficient number, since it is larger than the sum of its proper divisors (141855).

425553 is a wasteful number, since it uses less digits than its factorization.

425553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141854.

The product of its digits is 3000, while the sum is 24.

The square root of 425553 is about 652.3442342813. The cubic root of 425553 is about 75.2173252107.

The spelling of 425553 in words is "four hundred twenty-five thousand, five hundred fifty-three".