3158081 has 2 divisors, whose sum is σ = 3158082. Its totient is φ = 3158080.

The previous prime is 3158069. The next prime is 3158087. The reversal of 3158081 is 1808513.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2076481 + 1081600 = 1441^2 + 1040^2 .

It is a cyclic number.

It is not a de Polignac number, because 3158081 - 2¹⁰ = 3157057 is a prime.

It is a super-2 number, since 2×3158081² = 19946951205122, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3158081.

It is not a weakly prime, because it can be changed into another prime (3158087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1579040 + 1579041.

It is an arithmetic number, because the mean of its divisors is an integer number (1579041).

Almost surely, 2^3158081 is an apocalyptic number.

It is an amenable number.

3158081 is a deficient number, since it is larger than the sum of its proper divisors (1).

3158081 is an equidigital number, since it uses as much as digits as its factorization.

3158081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 960, while the sum is 26.

The square root of 3158081 is about 1777.0990405715. The cubic root of 3158081 is about 146.7149674480.

The spelling of 3158081 in words is "three million, one hundred fifty-eight thousand, eighty-one".