653425 has 12 divisors (see below), whose sum is σ = 825840. Its totient is φ = 512720.

The previous prime is 653363. The next prime is 653431. The reversal of 653425 is 524356.

It is not a de Polignac number, because 653425 - 2⁹ = 652913 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a d-powerful number, because it can be written as 6 + 5⁴ + 4² + 3² + 2¹⁸ + 5⁸ .

653425 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 653425.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 1254 + ... + 1696.

It is an arithmetic number, because the mean of its divisors is an integer number (68820).

2⁶⁵³⁴²⁵ is an apocalyptic number.

It is an amenable number.

653425 is a deficient number, since it is larger than the sum of its proper divisors (172415).

653425 is a wasteful number, since it uses less digits than its factorization.

653425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512 (or 507 counting only the distinct ones).

The product of its digits is 3600, while the sum is 25.

The square root of 653425 is about 808.3470789209. The cubic root of 653425 is about 86.7757912058.

The spelling of 653425 in words is "six hundred fifty-three thousand, four hundred twenty-five".