4381501 has 2 divisors, whose sum is σ = 4381502. Its totient is φ = 4381500.

The previous prime is 4381499. The next prime is 4381513. The reversal of 4381501 is 1051834.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3059001 + 1322500 = 1749^2 + 1150^2 .

It is a cyclic number.

It is not a de Polignac number, because 4381501 - 2¹ = 4381499 is a prime.

Together with 4381499, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4381541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2190750 + 2190751.

It is an arithmetic number, because the mean of its divisors is an integer number (2190751).

Almost surely, 2^4381501 is an apocalyptic number.

It is an amenable number.

4381501 is a deficient number, since it is larger than the sum of its proper divisors (1).

4381501 is an equidigital number, since it uses as much as digits as its factorization.

4381501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 4381501 is about 2093.2035256993. The cubic root of 4381501 is about 163.6342857106.

The spelling of 4381501 in words is "four million, three hundred eighty-one thousand, five hundred one".