4002051 has 8 divisors (see below), whose sum is σ = 5466384. Its totient is φ = 2602880.

The previous prime is 4002049. The next prime is 4002067. The reversal of 4002051 is 1502004.

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 4002051 - 2¹ = 4002049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4002001) 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, 16146 + ... + 16391.

It is an arithmetic number, because the mean of its divisors is an integer number (683298).

Almost surely, 2^4002051 is an apocalyptic number.

4002051 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

4002051 is a deficient number, since it is larger than the sum of its proper divisors (1464333).

4002051 is a wasteful number, since it uses less digits than its factorization.

4002051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32581.

The product of its (nonzero) digits is 40, while the sum is 12.

The square root of 4002051 is about 2000.5126842887. The cubic root of 4002051 is about 158.7672318906.

Adding to 4002051 its reverse (1502004), we get a palindrome (5504055).

The spelling of 4002051 in words is "four million, two thousand, fifty-one".