2921153 has 4 divisors (see below), whose sum is σ = 2962368. Its totient is φ = 2879940.

The previous prime is 2921147. The next prime is 2921173. The reversal of 2921153 is 3511292.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2921153 - 2⁴ = 2921137 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2921173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20501 + ... + 20642.

It is an arithmetic number, because the mean of its divisors is an integer number (740592).

2^2921153 is an apocalyptic number.

It is an amenable number.

2921153 is a deficient number, since it is larger than the sum of its proper divisors (41215).

2921153 is an equidigital number, since it uses as much as digits as its factorization.

2921153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41214.

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

The square root of 2921153 is about 1709.1380868730. The cubic root of 2921153 is about 142.9502002738.

The spelling of 2921153 in words is "two million, nine hundred twenty-one thousand, one hundred fifty-three".