2945515 has 8 divisors (see below), whose sum is σ = 3579840. Its totient is φ = 2326272.

The previous prime is 2945497. The next prime is 2945519. The reversal of 2945515 is 5155492.

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

It is a cyclic number.

It is not a de Polignac number, because 2945515 - 2⁵ = 2945483 is a prime.

2945515 is a lucky 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, 3334 + ... + 4123.

It is an arithmetic number, because the mean of its divisors is an integer number (447480).

2^2945515 is an apocalyptic number.

2945515 is a deficient number, since it is larger than the sum of its proper divisors (634325).

2945515 is an equidigital number, since it uses as much as digits as its factorization.

2945515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7541.

The product of its digits is 9000, while the sum is 31.

The square root of 2945515 is about 1716.2502731245. The cubic root of 2945515 is about 143.3464953961.

The spelling of 2945515 in words is "two million, nine hundred forty-five thousand, five hundred fifteen".