2861137 has 2 divisors, whose sum is σ = 2861138. Its totient is φ = 2861136.

The previous prime is 2861129. The next prime is 2861147. The reversal of 2861137 is 7311682.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2835856 + 25281 = 1684^2 + 159^2 .

It is a cyclic number.

It is not a de Polignac number, because 2861137 - 2³ = 2861129 is a prime.

It is a super-2 number, since 2×2861137² = 16372209865538, which contains 22 as substring.

2861137 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (2861107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1430568 + 1430569.

It is an arithmetic number, because the mean of its divisors is an integer number (1430569).

2^2861137 is an apocalyptic number.

It is an amenable number.

2861137 is a deficient number, since it is larger than the sum of its proper divisors (1).

2861137 is an equidigital number, since it uses as much as digits as its factorization.

2861137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2016, while the sum is 28.

The square root of 2861137 is about 1691.4895802221. The cubic root of 2861137 is about 141.9644326711.

The spelling of 2861137 in words is "two million, eight hundred sixty-one thousand, one hundred thirty-seven".