4081501 has 2 divisors, whose sum is σ = 4081502. Its totient is φ = 4081500.

The previous prime is 4081487. The next prime is 4081541. The reversal of 4081501 is 1051804.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2893401 + 1188100 = 1701^2 + 1090^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4081501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4081541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2040750 + 2040751.

It is an arithmetic number, because the mean of its divisors is an integer number (2040751).

Almost surely, 2^4081501 is an apocalyptic number.

It is an amenable number.

4081501 is a deficient number, since it is larger than the sum of its proper divisors (1).

4081501 is an equidigital number, since it uses as much as digits as its factorization.

4081501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 4081501 is about 2020.2725063714. The cubic root of 4081501 is about 159.8109877402.

The spelling of 4081501 in words is "four million, eighty-one thousand, five hundred one".