2518939 has 2 divisors, whose sum is σ = 2518940. Its totient is φ = 2518938.

The previous prime is 2518933. The next prime is 2518949. The reversal of 2518939 is 9398152.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2518939 - 2¹⁷ = 2387867 is a prime.

It is a d-powerful number, because it can be written as 2¹⁹ + 5⁹ + 1 + 8⁵ + 9 + 3⁷ + 9⁴ .

It is a junction number, because it is equal to n+sod(n) for n = 2518898 and 2518907.

It is not a weakly prime, because it can be changed into another prime (2518933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1259469 + 1259470.

It is an arithmetic number, because the mean of its divisors is an integer number (1259470).

2^2518939 is an apocalyptic number.

2518939 is a deficient number, since it is larger than the sum of its proper divisors (1).

2518939 is an equidigital number, since it uses as much as digits as its factorization.

2518939 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19440, while the sum is 37.

The square root of 2518939 is about 1587.1165678677. The cubic root of 2518939 is about 136.0627413796.

The spelling of 2518939 in words is "two million, five hundred eighteen thousand, nine hundred thirty-nine".