2772131 has 2 divisors, whose sum is σ = 2772132. Its totient is φ = 2772130.

The previous prime is 2772127. The next prime is 2772137. The reversal of 2772131 is 1312772.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2772131 - 2² = 2772127 is a prime.

It is a super-2 number, since 2×2772131² = 15369420562322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2772097 and 2772106.

It is not a weakly prime, because it can be changed into another prime (2772137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1386065 + 1386066.

It is an arithmetic number, because the mean of its divisors is an integer number (1386066).

2^2772131 is an apocalyptic number.

2772131 is a deficient number, since it is larger than the sum of its proper divisors (1).

2772131 is an equidigital number, since it uses as much as digits as its factorization.

2772131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 588, while the sum is 23.

The square root of 2772131 is about 1664.9717715325. The cubic root of 2772131 is about 140.4767927289.

The spelling of 2772131 in words is "two million, seven hundred seventy-two thousand, one hundred thirty-one".