2861377 has 2 divisors, whose sum is σ = 2861378. Its totient is φ = 2861376.

The previous prime is 2861363. The next prime is 2861387. The reversal of 2861377 is 7731682.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1985281 + 876096 = 1409^2 + 936^2 .

It is a cyclic number.

It is not a de Polignac number, because 2861377 - 2⁷ = 2861249 is a prime.

It is a super-2 number, since 2×2861377² = 16374956672258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2861317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1430688 + 1430689.

It is an arithmetic number, because the mean of its divisors is an integer number (1430689).

2^2861377 is an apocalyptic number.

It is an amenable number.

2861377 is a deficient number, since it is larger than the sum of its proper divisors (1).

2861377 is an equidigital number, since it uses as much as digits as its factorization.

2861377 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14112, while the sum is 34.

The square root of 2861377 is about 1691.5605221215. The cubic root of 2861377 is about 141.9684020151.

The spelling of 2861377 in words is "two million, eight hundred sixty-one thousand, three hundred seventy-seven".