4245431 has 4 divisors (see below), whose sum is σ = 4264200. Its totient is φ = 4226664.

The previous prime is 4245413. The next prime is 4245443. The reversal of 4245431 is 1345424.

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 4245431 - 2¹⁴ = 4229047 is a prime.

It is a super-2 number, since 2×4245431² = 36047368751522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4245397 and 4245406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4245331) 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, 9041 + ... + 9498.

It is an arithmetic number, because the mean of its divisors is an integer number (1066050).

Almost surely, 2^4245431 is an apocalyptic number.

4245431 is a deficient number, since it is larger than the sum of its proper divisors (18769).

4245431 is a wasteful number, since it uses less digits than its factorization.

4245431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18768.

The product of its digits is 1920, while the sum is 23.

The square root of 4245431 is about 2060.4443695475. Note that the first 3 decimals coincide. The cubic root of 4245431 is about 161.9225230295.

The spelling of 4245431 in words is "four million, two hundred forty-five thousand, four hundred thirty-one".