2850561 has 12 divisors (see below), whose sum is σ = 4705792. Its totient is φ = 1628856.

The previous prime is 2850541. The next prime is 2850563. The reversal of 2850561 is 1650582.

It is not a de Polignac number, because 2850561 - 2⁷ = 2850433 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2850563) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22561 + ... + 22686.

2^2850561 is an apocalyptic number.

2850561 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2850561 is a deficient number, since it is larger than the sum of its proper divisors (1855231).

2850561 is a wasteful number, since it uses less digits than its factorization.

2850561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45260 (or 45257 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 2850561 is about 1688.3604472979. The cubic root of 2850561 is about 141.7892960489.

The spelling of 2850561 in words is "two million, eight hundred fifty thousand, five hundred sixty-one".