2051771502 has 32 divisors (see below), whose sum is σ = 4495357440. Its totient is φ = 619142720.

The previous prime is 2051771473. The next prime is 2051771521.

2051771502 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 2051771502.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49263 + ... + 80810.

It is an arithmetic number, because the mean of its divisors is an integer number (140479920).

Almost surely, 2^2051771502 is an apocalyptic number.

2051771502 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2051771502 is an abundant number, since it is smaller than the sum of its proper divisors (2443585938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2051771502 is a wasteful number, since it uses less digits than its factorization.

2051771502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130328.

The product of its (nonzero) digits is 4900, while the sum is 30.

The square root of 2051771502 is about 45296.4844331213. The cubic root of 2051771502 is about 1270.6999060199.

The spelling of 2051771502 in words is "two billion, fifty-one million, seven hundred seventy-one thousand, five hundred two".