4321901 has 2 divisors, whose sum is σ = 4321902. Its totient is φ = 4321900.

The previous prime is 4321897. The next prime is 4321931. The reversal of 4321901 is 1091234.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4182025 + 139876 = 2045^2 + 374^2 .

It is a cyclic number.

It is not a de Polignac number, because 4321901 - 2² = 4321897 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4321931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2160950 + 2160951.

It is an arithmetic number, because the mean of its divisors is an integer number (2160951).

Almost surely, 2^4321901 is an apocalyptic number.

It is an amenable number.

4321901 is a deficient number, since it is larger than the sum of its proper divisors (1).

4321901 is an equidigital number, since it uses as much as digits as its factorization.

4321901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 4321901 is about 2078.9182283101. The cubic root of 4321901 is about 162.8889428808. Note that the first 3 decimals are identical.

The spelling of 4321901 in words is "four million, three hundred twenty-one thousand, nine hundred one".