4311245 has 4 divisors (see below), whose sum is σ = 5173500. Its totient is φ = 3448992.

The previous prime is 4311221. The next prime is 4311247. The reversal of 4311245 is 5421134.

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 477481 + 3833764 = 691^2 + 1958^2 .

It is a cyclic number.

It is not a de Polignac number, because 4311245 - 2⁸ = 4310989 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4311247) 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, 431120 + ... + 431129.

It is an arithmetic number, because the mean of its divisors is an integer number (1293375).

Almost surely, 2^4311245 is an apocalyptic number.

It is an amenable number.

4311245 is a deficient number, since it is larger than the sum of its proper divisors (862255).

4311245 is an equidigital number, since it uses as much as digits as its factorization.

4311245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 862254.

The product of its digits is 480, while the sum is 20.

The square root of 4311245 is about 2076.3537752512. The cubic root of 4311245 is about 162.7549607070.

Adding to 4311245 its reverse (5421134), we get a palindrome (9732379).

The spelling of 4311245 in words is "four million, three hundred eleven thousand, two hundred forty-five".