2945801 has 4 divisors (see below), whose sum is σ = 3014352. Its totient is φ = 2877252.

The previous prime is 2945773. The next prime is 2945807. The reversal of 2945801 is 1085492.

2945801 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2945801 - 2¹⁸ = 2683657 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2945807) 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 in 3 ways as a sum of consecutive naturals, for example, 34211 + ... + 34296.

It is an arithmetic number, because the mean of its divisors is an integer number (753588).

2^2945801 is an apocalyptic number.

It is an amenable number.

2945801 is a deficient number, since it is larger than the sum of its proper divisors (68551).

2945801 is an equidigital number, since it uses as much as digits as its factorization.

2945801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68550.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 2945801 is about 1716.3335922833. Note that the first 3 decimals coincide. The cubic root of 2945801 is about 143.3511347400.

The spelling of 2945801 in words is "two million, nine hundred forty-five thousand, eight hundred one".