4021051 has 2 divisors, whose sum is σ = 4021052. Its totient is φ = 4021050.

The previous prime is 4021033. The next prime is 4021079. The reversal of 4021051 is 1501204.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4021051 - 2⁵ = 4021019 is a prime.

It is a super-2 number, since 2×4021051² = 32337702289202, which contains 22 as substring.

It is an Ulam number.

4021051 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (4021001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2010525 + 2010526.

It is an arithmetic number, because the mean of its divisors is an integer number (2010526).

Almost surely, 2^4021051 is an apocalyptic number.

4021051 is a deficient number, since it is larger than the sum of its proper divisors (1).

4021051 is an equidigital number, since it uses as much as digits as its factorization.

4021051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 4021051 is about 2005.2558440259. The cubic root of 4021051 is about 159.0180879439.

Adding to 4021051 its reverse (1501204), we get a palindrome (5522255).

The spelling of 4021051 in words is "four million, twenty-one thousand, fifty-one".