2612989 has 2 divisors, whose sum is σ = 2612990. Its totient is φ = 2612988.

The previous prime is 2612983. The next prime is 2612999. The reversal of 2612989 is 9892162.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2377764 + 235225 = 1542^2 + 485^2 .

It is a cyclic number.

It is not a de Polignac number, because 2612989 - 2⁵ = 2612957 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2612983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1306494 + 1306495.

It is an arithmetic number, because the mean of its divisors is an integer number (1306495).

2^2612989 is an apocalyptic number.

It is an amenable number.

2612989 is a deficient number, since it is larger than the sum of its proper divisors (1).

2612989 is an equidigital number, since it uses as much as digits as its factorization.

2612989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15552, while the sum is 37.

The square root of 2612989 is about 1616.4742497176. The cubic root of 2612989 is about 137.7354906693.

The spelling of 2612989 in words is "two million, six hundred twelve thousand, nine hundred eighty-nine".