4245663 has 4 divisors (see below), whose sum is σ = 5660888. Its totient is φ = 2830440.

The previous prime is 4245643. The next prime is 4245679. The reversal of 4245663 is 3665424.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 4245663 - 2⁶ = 4245599 is a prime.

It is a D-number.

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 4245663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4245613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 707608 + ... + 707613.

It is an arithmetic number, because the mean of its divisors is an integer number (1415222).

Almost surely, 2^4245663 is an apocalyptic number.

4245663 is a deficient number, since it is larger than the sum of its proper divisors (1415225).

4245663 is a wasteful number, since it uses less digits than its factorization.

4245663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1415224.

The product of its digits is 17280, while the sum is 30.

The square root of 4245663 is about 2060.5006673137. The cubic root of 4245663 is about 161.9254725017.

The spelling of 4245663 in words is "four million, two hundred forty-five thousand, six hundred sixty-three".