4042485 has 12 divisors (see below), whose sum is σ = 7007052. Its totient is φ = 2155968.

The previous prime is 4042471. The next prime is 4042501. The reversal of 4042485 is 5842404.

It can be written as a sum of positive squares in 2 ways, for example, as 2187441 + 1855044 = 1479^2 + 1362^2 .

It is not a de Polignac number, because 4042485 - 2¹⁶ = 3976949 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44872 + ... + 44961.

It is an arithmetic number, because the mean of its divisors is an integer number (583921).

Almost surely, 2^4042485 is an apocalyptic number.

4042485 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4042485 is a deficient number, since it is larger than the sum of its proper divisors (2964567).

4042485 is a wasteful number, since it uses less digits than its factorization.

4042485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89844 (or 89841 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

The square root of 4042485 is about 2010.5931960494. The cubic root of 4042485 is about 159.3001332334.

Adding to 4042485 its reverse (5842404), we get a palindrome (9884889).

The spelling of 4042485 in words is "four million, forty-two thousand, four hundred eighty-five".