4245005 has 8 divisors (see below), whose sum is σ = 5141400. Its totient is φ = 3364416.

The previous prime is 4244987. The next prime is 4245013. The reversal of 4245005 is 5005424.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 866761 + 3378244 = 931^2 + 1838^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4245005 - 2¹² = 4240909 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3350 + ... + 4439.

It is an arithmetic number, because the mean of its divisors is an integer number (642675).

Almost surely, 2^4245005 is an apocalyptic number.

It is an amenable number.

4245005 is a deficient number, since it is larger than the sum of its proper divisors (896395).

4245005 is a wasteful number, since it uses less digits than its factorization.

4245005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7903.

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 4245005 is about 2060.3409911954. The cubic root of 4245005 is about 161.9171069087.

The spelling of 4245005 in words is "four million, two hundred forty-five thousand, five".