2945533 has 4 divisors (see below), whose sum is σ = 3025180. Its totient is φ = 2865888.

The previous prime is 2945531. The next prime is 2945609. The reversal of 2945533 is 3355492.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2424249 + 521284 = 1557^2 + 722^2 .

It is a cyclic number.

It is not a de Polignac number, because 2945533 - 2¹ = 2945531 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2945495 and 2945504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2945531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39768 + ... + 39841.

It is an arithmetic number, because the mean of its divisors is an integer number (756295).

2^2945533 is an apocalyptic number.

It is an amenable number.

2945533 is a deficient number, since it is larger than the sum of its proper divisors (79647).

2945533 is an equidigital number, since it uses as much as digits as its factorization.

2945533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79646.

The product of its digits is 16200, while the sum is 31.

The square root of 2945533 is about 1716.2555171069. The cubic root of 2945533 is about 143.3467873916.

The spelling of 2945533 in words is "two million, nine hundred forty-five thousand, five hundred thirty-three".