42048001 has 4 divisors (see below), whose sum is σ = 43073604. Its totient is φ = 41022400.

The previous prime is 42047989. The next prime is 42048011. The reversal of 42048001 is 10084024.

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 5130225 + 36917776 = 2265^2 + 6076^2 .

It is a cyclic number.

It is not a de Polignac number, because 42048001 - 2¹¹ = 42045953 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42048001.

It is not an unprimeable number, because it can be changed into a prime (42048011) 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, 512740 + ... + 512821.

It is an arithmetic number, because the mean of its divisors is an integer number (10768401).

Almost surely, 2^42048001 is an apocalyptic number.

42048001 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

42048001 is a deficient number, since it is larger than the sum of its proper divisors (1025603).

42048001 is a wasteful number, since it uses less digits than its factorization.

42048001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025602.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 42048001 is about 6484.4429984386. The cubic root of 42048001 is about 347.7350368942.

The spelling of 42048001 in words is "forty-two million, forty-eight thousand, one".