2070655 has 4 divisors (see below), whose sum is σ = 2484792. Its totient is φ = 1656520.

The previous prime is 2070643. The next prime is 2070661. The reversal of 2070655 is 5560702.

It is a happy number.

2070655 is nontrivially palindromic in base 8.

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

It is not a de Polignac number, because 2070655 - 2⁷ = 2070527 is a prime.

It is a super-2 number, since 2×2070655² = 8575224258050, which contains 22 as substring.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent 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, 207061 + ... + 207070.

It is an arithmetic number, because the mean of its divisors is an integer number (621198).

2^2070655 is an apocalyptic number.

2070655 is a deficient number, since it is larger than the sum of its proper divisors (414137).

2070655 is an equidigital number, since it uses as much as digits as its factorization.

2070655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414136.

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 2070655 is about 1438.9770672252. The cubic root of 2070655 is about 127.4586306898.

The spelling of 2070655 in words is "two million, seventy thousand, six hundred fifty-five".