2945247 has 16 divisors (see below), whose sum is σ = 4172160. Its totient is φ = 1842912.

The previous prime is 2945227. The next prime is 2945249. The reversal of 2945247 is 7425492.

It is not a de Polignac number, because 2945247 - 2¹⁵ = 2912479 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2945249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9133 + ... + 9449.

It is an arithmetic number, because the mean of its divisors is an integer number (260760).

2^2945247 is an apocalyptic number.

2945247 is a deficient number, since it is larger than the sum of its proper divisors (1226913).

2945247 is a wasteful number, since it uses less digits than its factorization.

2945247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502.

The product of its digits is 20160, while the sum is 33.

The square root of 2945247 is about 1716.1721941577. The cubic root of 2945247 is about 143.3421477663.

The spelling of 2945247 in words is "two million, nine hundred forty-five thousand, two hundred forty-seven".