2045929 has 2 divisors, whose sum is σ = 2045930. Its totient is φ = 2045928.

The previous prime is 2045909. The next prime is 2045963. The reversal of 2045929 is 9295402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1587600 + 458329 = 1260^2 + 677^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2045929 is a prime.

It is a Chen prime.

It is a d-powerful number, because it can be written as 2 + 0 + 4⁴ + 5⁹ + 9³ + 2¹⁵ + 9⁵ .

It is a self number, because there is not a number n which added to its sum of digits gives 2045929.

It is not a weakly prime, because it can be changed into another prime (2045909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1022964 + 1022965.

It is an arithmetic number, because the mean of its divisors is an integer number (1022965).

2^2045929 is an apocalyptic number.

It is an amenable number.

2045929 is a deficient number, since it is larger than the sum of its proper divisors (1).

2045929 is an equidigital number, since it uses as much as digits as its factorization.

2045929 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 2045929 is about 1430.3597449593. The cubic root of 2045929 is about 126.9492636321.

The spelling of 2045929 in words is "two million, forty-five thousand, nine hundred twenty-nine".