4245245 has 4 divisors (see below), whose sum is σ = 5094300. Its totient is φ = 3396192.

The previous prime is 4245239. The next prime is 4245259. The reversal of 4245245 is 5425424.

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

It can be written as a sum of positive squares in 2 ways, for example, as 458329 + 3786916 = 677^2 + 1946^2 .

It is a cyclic number.

It is not a de Polignac number, because 4245245 - 2¹⁰ = 4244221 is a prime.

It is a super-2 number, since 2×4245245² = 36044210220050, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 424520 + ... + 424529.

It is an arithmetic number, because the mean of its divisors is an integer number (1273575).

Almost surely, 2^4245245 is an apocalyptic number.

It is an amenable number.

4245245 is a deficient number, since it is larger than the sum of its proper divisors (849055).

4245245 is an equidigital number, since it uses as much as digits as its factorization.

4245245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 849054.

The product of its digits is 6400, while the sum is 26.

The square root of 4245245 is about 2060.3992331585. The cubic root of 4245245 is about 161.9201582889.

The spelling of 4245245 in words is "four million, two hundred forty-five thousand, two hundred forty-five".