2493121 has 2 divisors, whose sum is σ = 2493122. Its totient is φ = 2493120.

The previous prime is 2493109. The next prime is 2493149. The reversal of 2493121 is 1213942.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1718721 + 774400 = 1311^2 + 880^2 .

It is a cyclic number.

It is not a de Polignac number, because 2493121 - 2⁵ = 2493089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2493092 and 2493101.

It is not a weakly prime, because it can be changed into another prime (2493221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1246560 + 1246561.

It is an arithmetic number, because the mean of its divisors is an integer number (1246561).

2^2493121 is an apocalyptic number.

It is an amenable number.

2493121 is a deficient number, since it is larger than the sum of its proper divisors (1).

2493121 is an equidigital number, since it uses as much as digits as its factorization.

2493121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 432, while the sum is 22.

The square root of 2493121 is about 1578.9620008094. The cubic root of 2493121 is about 135.5962832870.

The spelling of 2493121 in words is "two million, four hundred ninety-three thousand, one hundred twenty-one".