2921029 has 2 divisors, whose sum is σ = 2921030. Its totient is φ = 2921028.

The previous prime is 2921027. The next prime is 2921047. The reversal of 2921029 is 9201292.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1476225 + 1444804 = 1215^2 + 1202^2 .

It is a cyclic number.

It is not a de Polignac number, because 2921029 - 2¹ = 2921027 is a prime.

Together with 2921027, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 2920994 and 2921012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2921027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1460514 + 1460515.

It is an arithmetic number, because the mean of its divisors is an integer number (1460515).

2^2921029 is an apocalyptic number.

It is an amenable number.

2921029 is a deficient number, since it is larger than the sum of its proper divisors (1).

2921029 is an equidigital number, since it uses as much as digits as its factorization.

2921029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 2921029 is about 1709.1018108937. The cubic root of 2921029 is about 142.9481775479.

The spelling of 2921029 in words is "two million, nine hundred twenty-one thousand, twenty-nine".