4405925 has 6 divisors (see below), whose sum is σ = 5463378. Its totient is φ = 3524720.

The previous prime is 4405913. The next prime is 4405927. The reversal of 4405925 is 5295044.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 1329409 + 3076516 = 1153^2 + 1754^2 .

It is not a de Polignac number, because 4405925 - 2¹² = 4401829 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4405927) 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 5 ways as a sum of consecutive naturals, for example, 88094 + ... + 88143.

It is an arithmetic number, because the mean of its divisors is an integer number (910563).

Almost surely, 2^4405925 is an apocalyptic number.

It is an amenable number.

4405925 is a deficient number, since it is larger than the sum of its proper divisors (1057453).

4405925 is a wasteful number, since it uses less digits than its factorization.

4405925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176247 (or 176242 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 4405925 is about 2099.0295376673. The cubic root of 4405925 is about 163.9377738346.

The spelling of 4405925 in words is "four million, four hundred five thousand, nine hundred twenty-five".