2054491 has 2 divisors, whose sum is σ = 2054492. Its totient is φ = 2054490.

The previous prime is 2054483. The next prime is 2054519. The reversal of 2054491 is 1944502.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2054491 - 2³ = 2054483 is a prime.

It is not a weakly prime, because it can be changed into another prime (2054471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1027245 + 1027246.

It is an arithmetic number, because the mean of its divisors is an integer number (1027246).

2^2054491 is an apocalyptic number.

2054491 is a deficient number, since it is larger than the sum of its proper divisors (1).

2054491 is an equidigital number, since it uses as much as digits as its factorization.

2054491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 2054491 is about 1433.3495735514. The cubic root of 2054491 is about 127.1261069908.

Adding to 2054491 its reverse (1944502), we get a palindrome (3998993).

The spelling of 2054491 in words is "two million, fifty-four thousand, four hundred ninety-one".