2945569 has 8 divisors (see below), whose sum is σ = 3227040. Its totient is φ = 2666400.

The previous prime is 2945531. The next prime is 2945609. The reversal of 2945569 is 9655492.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2945569 - 2⁷ = 2945441 is a prime.

It is a super-2 number, since 2×2945569² = 17352753467522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2945519) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3237 + ... + 4045.

It is an arithmetic number, because the mean of its divisors is an integer number (403380).

2^2945569 is an apocalyptic number.

It is an amenable number.

2945569 is a deficient number, since it is larger than the sum of its proper divisors (281471).

2945569 is a wasteful number, since it uses less digits than its factorization.

2945569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1151.

The product of its digits is 97200, while the sum is 40.

The square root of 2945569 is about 1716.2660050237. The cubic root of 2945569 is about 143.3473713791.

The spelling of 2945569 in words is "two million, nine hundred forty-five thousand, five hundred sixty-nine".