2921315 has 8 divisors (see below), whose sum is σ = 3626640. Its totient is φ = 2256352.

The previous prime is 2921293. The next prime is 2921327. The reversal of 2921315 is 5131292.

2921315 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2921315 - 2¹² = 2917219 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9929 + ... + 10218.

It is an arithmetic number, because the mean of its divisors is an integer number (453330).

2^2921315 is an apocalyptic number.

2921315 is a deficient number, since it is larger than the sum of its proper divisors (705325).

2921315 is a wasteful number, since it uses less digits than its factorization.

2921315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20181.

The product of its digits is 540, while the sum is 23.

The square root of 2921315 is about 1709.1854785248. The cubic root of 2921315 is about 142.9528427811.

Subtracting from 2921315 its sum of digits (23), we obtain a palindrome (2921292).

The spelling of 2921315 in words is "two million, nine hundred twenty-one thousand, three hundred fifteen".