2051607 has 16 divisors (see below), whose sum is σ = 2839680. Its totient is φ = 1316832.

The previous prime is 2051593. The next prime is 2051617. The reversal of 2051607 is 7061502.

It is not a de Polignac number, because 2051607 - 2⁷ = 2051479 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2051617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11773 + ... + 11945.

It is an arithmetic number, because the mean of its divisors is an integer number (177480).

2^2051607 is an apocalyptic number.

2051607 is a deficient number, since it is larger than the sum of its proper divisors (788073).

2051607 is a wasteful number, since it uses less digits than its factorization.

2051607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302.

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 2051607 is about 1432.3431851341. The cubic root of 2051607 is about 127.0665945405.

The spelling of 2051607 in words is "two million, fifty-one thousand, six hundred seven".