2732491 has 2 divisors, whose sum is σ = 2732492. Its totient is φ = 2732490.

The previous prime is 2732489. The next prime is 2732497. The reversal of 2732491 is 1942372.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2732491 - 2¹ = 2732489 is a prime.

Together with 2732489, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2732497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1366245 + 1366246.

It is an arithmetic number, because the mean of its divisors is an integer number (1366246).

2^2732491 is an apocalyptic number.

2732491 is a deficient number, since it is larger than the sum of its proper divisors (1).

2732491 is an equidigital number, since it uses as much as digits as its factorization.

2732491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3024, while the sum is 28.

The square root of 2732491 is about 1653.0248032017. The cubic root of 2732491 is about 139.8039944199.

It can be divided in two parts, 2732 and 491, that added together give a palindrome (3223).

The spelling of 2732491 in words is "two million, seven hundred thirty-two thousand, four hundred ninety-one".