2051257606 has 8 divisors (see below), whose sum is σ = 3083533344. Its totient is φ = 1023413160.

The previous prime is 2051257603. The next prime is 2051257619. The reversal of 2051257606 is 6067521502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2051257603) 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, 1106665 + ... + 1108516.

It is an arithmetic number, because the mean of its divisors is an integer number (385441668).

Almost surely, 2^2051257606 is an apocalyptic number.

2051257606 is a deficient number, since it is larger than the sum of its proper divisors (1032275738).

2051257606 is a wasteful number, since it uses less digits than its factorization.

2051257606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2215646.

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 2051257606 is about 45290.8114963731. The cubic root of 2051257606 is about 1270.5938087402.

The spelling of 2051257606 in words is "two billion, fifty-one million, two hundred fifty-seven thousand, six hundred six".