2658155 has 4 divisors (see below), whose sum is σ = 3189792. Its totient is φ = 2126520.

The previous prime is 2658107. The next prime is 2658193. The reversal of 2658155 is 5518562.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2658155 - 2¹² = 2654059 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 265811 + ... + 265820.

It is an arithmetic number, because the mean of its divisors is an integer number (797448).

2^2658155 is an apocalyptic number.

2658155 is a deficient number, since it is larger than the sum of its proper divisors (531637).

2658155 is an equidigital number, since it uses as much as digits as its factorization.

2658155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531636.

The product of its digits is 12000, while the sum is 32.

The square root of 2658155 is about 1630.3849238753. The cubic root of 2658155 is about 138.5245561120.

The spelling of 2658155 in words is "two million, six hundred fifty-eight thousand, one hundred fifty-five".