2150655 has 32 divisors (see below), whose sum is σ = 3810240. Its totient is φ = 1029120.

The previous prime is 2150651. The next prime is 2150657. The reversal of 2150655 is 5560512.

It is not a de Polignac number, because 2150655 - 2² = 2150651 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2150651) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7861 + ... + 8129.

It is an arithmetic number, because the mean of its divisors is an integer number (119070).

2^2150655 is an apocalyptic number.

2150655 is a deficient number, since it is larger than the sum of its proper divisors (1659585).

2150655 is a wasteful number, since it uses less digits than its factorization.

2150655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331.

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 2150655 is about 1466.5111659991. The cubic root of 2150655 is about 129.0793934682.

The spelling of 2150655 in words is "two million, one hundred fifty thousand, six hundred fifty-five".