4248745 has 8 divisors (see below), whose sum is σ = 5195016. Its totient is φ = 3334656.

The previous prime is 4248743. The next prime is 4248749. The reversal of 4248745 is 5478424.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 21609 + 4227136 = 147^2 + 2056^2 .

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 4248745 - 2¹ = 4248743 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4248745.

It is not an unprimeable number, because it can be changed into a prime (4248743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7752 + ... + 8281.

It is an arithmetic number, because the mean of its divisors is an integer number (649377).

Almost surely, 2^4248745 is an apocalyptic number.

It is an amenable number.

4248745 is a deficient number, since it is larger than the sum of its proper divisors (946271).

4248745 is a wasteful number, since it uses less digits than its factorization.

4248745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16091.

The product of its digits is 35840, while the sum is 34.

The square root of 4248745 is about 2061.2484081255. The cubic root of 4248745 is about 161.9646445224.

The spelling of 4248745 in words is "four million, two hundred forty-eight thousand, seven hundred forty-five".