4245243 has 4 divisors (see below), whose sum is σ = 5660328. Its totient is φ = 2830160.

The previous prime is 4245239. The next prime is 4245259. The reversal of 4245243 is 3425424.

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

It is a cyclic number.

It is not a de Polignac number, because 4245243 - 2² = 4245239 is a prime.

It is a D-number.

4245243 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4245203) 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, 707538 + ... + 707543.

It is an arithmetic number, because the mean of its divisors is an integer number (1415082).

Almost surely, 2^4245243 is an apocalyptic number.

4245243 is a deficient number, since it is larger than the sum of its proper divisors (1415085).

4245243 is a wasteful number, since it uses less digits than its factorization.

4245243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1415084.

The product of its digits is 3840, while the sum is 24.

The square root of 4245243 is about 2060.3987478156. The cubic root of 4245243 is about 161.9201328613.

The spelling of 4245243 in words is "four million, two hundred forty-five thousand, two hundred forty-three".