4245231 has 4 divisors (see below), whose sum is σ = 5660312. Its totient is φ = 2830152.

The previous prime is 4245217. The next prime is 4245239. The reversal of 4245231 is 1325424.

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

It is not a de Polignac number, because 4245231 - 2⁶ = 4245167 is a prime.

It is a super-2 number, since 2×4245231² = 36043972486722, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4245198 and 4245207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4245239) 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, 707536 + ... + 707541.

It is an arithmetic number, because the mean of its divisors is an integer number (1415078).

Almost surely, 2^4245231 is an apocalyptic number.

4245231 is a deficient number, since it is larger than the sum of its proper divisors (1415081).

4245231 is a wasteful number, since it uses less digits than its factorization.

4245231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1415080.

The product of its digits is 960, while the sum is 21.

The square root of 4245231 is about 2060.3958357558. The cubic root of 4245231 is about 161.9199802949.

The spelling of 4245231 in words is "four million, two hundred forty-five thousand, two hundred thirty-one".