4250005 has 8 divisors (see below), whose sum is σ = 5238072. Its totient is φ = 3307968.

The previous prime is 4249981. The next prime is 4250021. The reversal of 4250005 is 5000524.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1295044 + 2954961 = 1138^2 + 1719^2 .

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 4250005 - 2¹³ = 4241813 is a prime.

It is a Duffinian number.

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, 11302 + ... + 11671.

It is an arithmetic number, because the mean of its divisors is an integer number (654759).

Almost surely, 2^4250005 is an apocalyptic number.

It is an amenable number.

4250005 is a deficient number, since it is larger than the sum of its proper divisors (988067).

4250005 is a wasteful number, since it uses less digits than its factorization.

4250005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23015.

The product of its (nonzero) digits is 200, while the sum is 16.

The square root of 4250005 is about 2061.5540254866. The cubic root of 4250005 is about 161.9806535856.

Adding to 4250005 its reverse (5000524), we get a palindrome (9250529).

The spelling of 4250005 in words is "four million, two hundred fifty thousand, five".