2945493 has 6 divisors (see below), whose sum is σ = 4254614. Its totient is φ = 1963656.

The previous prime is 2945489. The next prime is 2945497. The reversal of 2945493 is 3945492.

It is an interprime number because it is at equal distance from previous prime (2945489) and next prime (2945497).

It can be written as a sum of positive squares in only one way, i.e., 2634129 + 311364 = 1623^2 + 558^2 .

It is not a de Polignac number, because 2945493 - 2² = 2945489 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2945497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 163630 + ... + 163647.

2^2945493 is an apocalyptic number.

It is an amenable number.

2945493 is a deficient number, since it is larger than the sum of its proper divisors (1309121).

2945493 is a wasteful number, since it uses less digits than its factorization.

2945493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327283 (or 327280 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 2945493 is about 1716.2438637909. The cubic root of 2945493 is about 143.3461385110.

Subtracting 2945493 from its reverse (3945492), we obtain a palindrome (999999).

The spelling of 2945493 in words is "two million, nine hundred forty-five thousand, four hundred ninety-three".