3081901 has 2 divisors, whose sum is σ = 3081902. Its totient is φ = 3081900.

The previous prime is 3081877. The next prime is 3081907. The reversal of 3081901 is 1091803.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2975625 + 106276 = 1725^2 + 326^2 .

It is a cyclic number.

It is not a de Polignac number, because 3081901 - 2⁹ = 3081389 is a prime.

It is a super-2 number, since 2×3081901² = 18996227547602, which contains 22 as substring.

3081901 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3081907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1540950 + 1540951.

It is an arithmetic number, because the mean of its divisors is an integer number (1540951).

Almost surely, 2^3081901 is an apocalyptic number.

It is an amenable number.

3081901 is a deficient number, since it is larger than the sum of its proper divisors (1).

3081901 is an equidigital number, since it uses as much as digits as its factorization.

3081901 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 22.

The square root of 3081901 is about 1755.5343915743. The cubic root of 3081901 is about 145.5256545183.

It can be divided in two parts, 308 and 1901, that added together give a square (2209 = 47²).

The spelling of 3081901 in words is "three million, eighty-one thousand, nine hundred one".