4042526 has 8 divisors (see below), whose sum is σ = 6327504. Its totient is φ = 1933360.

The previous prime is 4042523. The next prime is 4042543. The reversal of 4042526 is 6252404.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4042523) 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, 43895 + ... + 43986.

It is an arithmetic number, because the mean of its divisors is an integer number (790938).

Almost surely, 2^4042526 is an apocalyptic number.

4042526 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

4042526 is a deficient number, since it is larger than the sum of its proper divisors (2284978).

4042526 is a wasteful number, since it uses less digits than its factorization.

4042526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87906.

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

The square root of 4042526 is about 2010.6033920194. The cubic root of 4042526 is about 159.3006717869.

The spelling of 4042526 in words is "four million, forty-two thousand, five hundred twenty-six".