2921275 has 12 divisors (see below), whose sum is σ = 4140112. Its totient is φ = 2003040.

The previous prime is 2921273. The next prime is 2921293. The reversal of 2921275 is 5721292.

It is not a de Polignac number, because 2921275 - 2¹ = 2921273 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (2921273) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8172 + ... + 8521.

2^2921275 is an apocalyptic number.

2921275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2921275 is a deficient number, since it is larger than the sum of its proper divisors (1218837).

2921275 is a wasteful number, since it uses less digits than its factorization.

2921275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16710 (or 16705 counting only the distinct ones).

The product of its digits is 2520, while the sum is 28.

The square root of 2921275 is about 1709.1737770046. The cubic root of 2921275 is about 142.9521903193.

The spelling of 2921275 in words is "two million, nine hundred twenty-one thousand, two hundred seventy-five".