2915215 has 8 divisors (see below), whose sum is σ = 3531600. Its totient is φ = 2309952.

The previous prime is 2915201. The next prime is 2915219. The reversal of 2915215 is 5125192.

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 2915215 - 2¹¹ = 2913167 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2915215.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2915219) 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, 2190 + ... + 3259.

It is an arithmetic number, because the mean of its divisors is an integer number (441450).

2^2915215 is an apocalyptic number.

2915215 is a deficient number, since it is larger than the sum of its proper divisors (616385).

2915215 is a wasteful number, since it uses less digits than its factorization.

2915215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5561.

The product of its digits is 900, while the sum is 25.

The square root of 2915215 is about 1707.4000702823. The cubic root of 2915215 is about 142.8532734666.

The spelling of 2915215 in words is "two million, nine hundred fifteen thousand, two hundred fifteen".