4649925 has 48 divisors (see below), whose sum is σ = 9320832. Its totient is φ = 1996800.

The previous prime is 4649923. The next prime is 4649929. The reversal of 4649925 is 5299464.

It is not a de Polignac number, because 4649925 - 2¹ = 4649923 is a prime.

4649925 is a lucky number.

It is a nialpdrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4649923) 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 in 47 ways as a sum of consecutive naturals, for example, 8665 + ... + 9185.

It is an arithmetic number, because the mean of its divisors is an integer number (194184).

Almost surely, 2^4649925 is an apocalyptic number.

It is an amenable number.

4649925 is an abundant number, since it is smaller than the sum of its proper divisors (4670907).

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

4649925 is a wasteful number, since it uses less digits than its factorization.

4649925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558 (or 553 counting only the distinct ones).

The product of its digits is 77760, while the sum is 39.

The square root of 4649925 is about 2156.3684750061. The cubic root of 4649925 is about 166.9098560919.

The spelling of 4649925 in words is "four million, six hundred forty-nine thousand, nine hundred twenty-five".