2051551304 has 32 divisors (see below), whose sum is σ = 4267490400. Its totient is φ = 916715520.

The previous prime is 2051551303. The next prime is 2051551331. The reversal of 2051551304 is 4031551502.

It is not an unprimeable number, because it can be changed into a prime (2051551303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 192377 + ... + 202760.

It is an arithmetic number, because the mean of its divisors is an integer number (133359075).

Almost surely, 2^2051551304 is an apocalyptic number.

It is an amenable number.

2051551304 is an abundant number, since it is smaller than the sum of its proper divisors (2215939096).

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

2051551304 is a wasteful number, since it uses less digits than its factorization.

2051551304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395213 (or 395209 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 2051551304 is about 45294.0537377700. The cubic root of 2051551304 is about 1270.6544468337.

It can be divided in two parts, 2051 and 551304, that added together give a palindrome (553355).

The spelling of 2051551304 in words is "two billion, fifty-one million, five hundred fifty-one thousand, three hundred four".