2051607211 has 4 divisors (see below), whose sum is σ = 2053594312. Its totient is φ = 2049620112.

The previous prime is 2051607143. The next prime is 2051607221. The reversal of 2051607211 is 1127061502.

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

It is a cyclic number.

It is not a de Polignac number, because 2051607211 - 2¹⁵ = 2051574443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2051607221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 992001 + ... + 994066.

It is an arithmetic number, because the mean of its divisors is an integer number (513398578).

Almost surely, 2^2051607211 is an apocalyptic number.

2051607211 is a deficient number, since it is larger than the sum of its proper divisors (1987101).

2051607211 is a wasteful number, since it uses less digits than its factorization.

2051607211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1987100.

The product of its (nonzero) digits is 840, while the sum is 25.

The square root of 2051607211 is about 45294.6708896312. The cubic root of 2051607211 is about 1270.6659889665.

Adding to 2051607211 its reverse (1127061502), we get a palindrome (3178668713).

The spelling of 2051607211 in words is "two billion, fifty-one million, six hundred seven thousand, two hundred eleven".