2051051356 has 6 divisors (see below), whose sum is σ = 3589339880. Its totient is φ = 1025525676.

The previous prime is 2051051351. The next prime is 2051051383. The reversal of 2051051356 is 6531501502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2051051351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256381416 + ... + 256381423.

Almost surely, 2^2051051356 is an apocalyptic number.

It is an amenable number.

2051051356 is a deficient number, since it is larger than the sum of its proper divisors (1538288524).

2051051356 is a wasteful number, since it uses less digits than its factorization.

2051051356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512762843 (or 512762841 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 28.

The square root of 2051051356 is about 45288.5344872187. The cubic root of 2051051356 is about 1270.5512220597.

Adding to 2051051356 its reverse (6531501502), we get a palindrome (8582552858).

The spelling of 2051051356 in words is "two billion, fifty-one million, fifty-one thousand, three hundred fifty-six".