2972287 has 2 divisors, whose sum is σ = 2972288. Its totient is φ = 2972286.

The previous prime is 2972279. The next prime is 2972309. The reversal of 2972287 is 7822792.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2972287 - 2³ = 2972279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2972257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1486143 + 1486144.

It is an arithmetic number, because the mean of its divisors is an integer number (1486144).

2^2972287 is an apocalyptic number.

2972287 is a deficient number, since it is larger than the sum of its proper divisors (1).

2972287 is an equidigital number, since it uses as much as digits as its factorization.

2972287 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28224, while the sum is 37.

The square root of 2972287 is about 1724.0321922748. The cubic root of 2972287 is about 143.7794817918.

The spelling of 2972287 in words is "two million, nine hundred seventy-two thousand, two hundred eighty-seven".