2865153 has 4 divisors (see below), whose sum is σ = 3820208. Its totient is φ = 1910100.

The previous prime is 2865131. The next prime is 2865157. The reversal of 2865153 is 3515682.

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 not a de Polignac number, because 2865153 - 2¹⁰ = 2864129 is a prime.

It is an Ulam number.

It is a D-number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2865153.

It is not an unprimeable number, because it can be changed into a prime (2865157) 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, 477523 + ... + 477528.

It is an arithmetic number, because the mean of its divisors is an integer number (955052).

It is a Proth number, since it is equal to 1399 ⋅ 2¹¹ + 1 and 1399 < 2¹¹.

2^2865153 is an apocalyptic number.

It is an amenable number.

2865153 is a deficient number, since it is larger than the sum of its proper divisors (955055).

2865153 is an equidigital number, since it uses as much as digits as its factorization.

2865153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 955054.

The product of its digits is 7200, while the sum is 30.

The square root of 2865153 is about 1692.6762832863. The cubic root of 2865153 is about 142.0308238317.

The spelling of 2865153 in words is "two million, eight hundred sixty-five thousand, one hundred fifty-three".