4245887 has 4 divisors (see below), whose sum is σ = 4250640. Its totient is φ = 4241136.

The previous prime is 4245881. The next prime is 4245907. The reversal of 4245887 is 7885424.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 4245887 - 2¹⁴ = 4229503 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 4245887.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4245881) 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, 587 + ... + 2972.

It is an arithmetic number, because the mean of its divisors is an integer number (1062660).

Almost surely, 2^4245887 is an apocalyptic number.

4245887 is a deficient number, since it is larger than the sum of its proper divisors (4753).

4245887 is a wasteful number, since it uses less digits than its factorization.

4245887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4752.

The product of its digits is 71680, while the sum is 38.

The square root of 4245887 is about 2060.5550223180. Note that the first 3 decimals coincide. The cubic root of 4245887 is about 161.9283201659.

The spelling of 4245887 in words is "four million, two hundred forty-five thousand, eight hundred eighty-seven".