42003401 has 8 divisors (see below), whose sum is σ = 46687104. Its totient is φ = 37463920.

The previous prime is 42003391. The next prime is 42003407. The reversal of 42003401 is 10430024.

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

It is a cyclic number.

It is not a de Polignac number, because 42003401 - 2⁶ = 42003337 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42003407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35441 + ... + 36606.

It is an arithmetic number, because the mean of its divisors is an integer number (5835888).

Almost surely, 2^42003401 is an apocalyptic number.

It is an amenable number.

42003401 is a deficient number, since it is larger than the sum of its proper divisors (4683703).

42003401 is a wasteful number, since it uses less digits than its factorization.

42003401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72111.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 42003401 is about 6481.0030859428. The cubic root of 42003401 is about 347.6120467486.

Adding to 42003401 its reverse (10430024), we get a palindrome (52433425).

The spelling of 42003401 in words is "forty-two million, three thousand, four hundred one".