2150555 has 16 divisors (see below), whose sum is σ = 2865888. Its totient is φ = 1536000.

The previous prime is 2150543. The next prime is 2150567. The reversal of 2150555 is 5550512.

It is an interprime number because it is at equal distance from previous prime (2150543) and next prime (2150567).

It is not a de Polignac number, because 2150555 - 2⁸ = 2150299 is a prime.

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 2150555.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3035 + ... + 3675.

It is an arithmetic number, because the mean of its divisors is an integer number (179118).

2^2150555 is an apocalyptic number.

2150555 is a deficient number, since it is larger than the sum of its proper divisors (715333).

2150555 is a wasteful number, since it uses less digits than its factorization.

2150555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 718.

The product of its (nonzero) digits is 1250, while the sum is 23.

The square root of 2150555 is about 1466.4770710788. The cubic root of 2150555 is about 129.0773928158.

The spelling of 2150555 in words is "two million, one hundred fifty thousand, five hundred fifty-five".