4081487 has 2 divisors, whose sum is σ = 4081488. Its totient is φ = 4081486.

The previous prime is 4081481. The next prime is 4081501. The reversal of 4081487 is 7841804.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4081487 - 2⁶ = 4081423 is a prime.

It is a super-2 number, since 2×4081487² = 33317072262338, which contains 22 as substring.

It is a Chen prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4081481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2040743 + 2040744.

It is an arithmetic number, because the mean of its divisors is an integer number (2040744).

Almost surely, 2^4081487 is an apocalyptic number.

4081487 is a deficient number, since it is larger than the sum of its proper divisors (1).

4081487 is an equidigital number, since it uses as much as digits as its factorization.

4081487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7168, while the sum is 32.

The square root of 4081487 is about 2020.2690414893. The cubic root of 4081487 is about 159.8108050169.

The spelling of 4081487 in words is "four million, eighty-one thousand, four hundred eighty-seven".