4245039 has 6 divisors (see below), whose sum is σ = 6131736. Its totient is φ = 2830020.

The previous prime is 4245029. The next prime is 4245077. The reversal of 4245039 is 9305424.

It is not a de Polignac number, because 4245039 - 2¹¹ = 4242991 is a prime.

It is a super-2 number, since 2×4245039² = 36040712223042, which contains 22 as substring.

It is an Ulam number.

It is a d-powerful number, because it can be written as 4⁷ + 2¹⁵ + 4¹¹ + 5³ + 0 + 3⁶ + 9³ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4245029) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 235827 + ... + 235844.

It is an arithmetic number, because the mean of its divisors is an integer number (1021956).

Almost surely, 2^4245039 is an apocalyptic number.

4245039 is a deficient number, since it is larger than the sum of its proper divisors (1886697).

4245039 is a wasteful number, since it uses less digits than its factorization.

4245039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471677 (or 471674 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 4245039 is about 2060.3492422403. The cubic root of 4245039 is about 161.9175391946.

The spelling of 4245039 in words is "four million, two hundred forty-five thousand, thirty-nine".