2642929 has 2 divisors, whose sum is σ = 2642930. Its totient is φ = 2642928.

The previous prime is 2642897. The next prime is 2642933. The reversal of 2642929 is 9292462.

It is a happy number.

2642929 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2640625 + 2304 = 1625^2 + 48^2 .

It is a cyclic number.

It is not a de Polignac number, because 2642929 - 2⁵ = 2642897 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2642894 and 2642903.

It is not a weakly prime, because it can be changed into another prime (2642329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1321464 + 1321465.

It is an arithmetic number, because the mean of its divisors is an integer number (1321465).

2^2642929 is an apocalyptic number.

It is an amenable number.

2642929 is a deficient number, since it is larger than the sum of its proper divisors (1).

2642929 is an equidigital number, since it uses as much as digits as its factorization.

2642929 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15552, while the sum is 34.

The square root of 2642929 is about 1625.7087685068. The cubic root of 2642929 is about 138.2595584103.

The spelling of 2642929 in words is "two million, six hundred forty-two thousand, nine hundred twenty-nine".