4013245 has 4 divisors (see below), whose sum is σ = 4815900. Its totient is φ = 3210592.

The previous prime is 4013227. The next prime is 4013267. The reversal of 4013245 is 5423104.

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 407044 + 3606201 = 638^2 + 1899^2 .

It is a cyclic number.

It is not a de Polignac number, because 4013245 - 2¹¹ = 4011197 is a prime.

It is a super-2 number, since 2×4013245² = 32212270860050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 401320 + ... + 401329.

It is an arithmetic number, because the mean of its divisors is an integer number (1203975).

Almost surely, 2^4013245 is an apocalyptic number.

It is an amenable number.

4013245 is a deficient number, since it is larger than the sum of its proper divisors (802655).

4013245 is an equidigital number, since it uses as much as digits as its factorization.

4013245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 802654.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 4013245 is about 2003.3085134347. The cubic root of 4013245 is about 158.9151215555.

Adding to 4013245 its reverse (5423104), we get a palindrome (9436349).

The spelling of 4013245 in words is "four million, thirteen thousand, two hundred forty-five".