4245071 has 4 divisors (see below), whose sum is σ = 4282752. Its totient is φ = 4207392.

The previous prime is 4245029. The next prime is 4245077. The reversal of 4245071 is 1705424.

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 4245071 - 2²² = 50767 is a prime.

It is a super-3 number, since 3×4245071³ (a number of 21 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4245077) 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, 18671 + ... + 18896.

It is an arithmetic number, because the mean of its divisors is an integer number (1070688).

Almost surely, 2^4245071 is an apocalyptic number.

4245071 is a deficient number, since it is larger than the sum of its proper divisors (37681).

4245071 is a wasteful number, since it uses less digits than its factorization.

4245071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37680.

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 4245071 is about 2060.3570078994. The cubic root of 4245071 is about 161.9179460497.

The spelling of 4245071 in words is "four million, two hundred forty-five thousand, seventy-one".