2051533542 has 8 divisors (see below), whose sum is σ = 4103067096. Its totient is φ = 683844512.

The previous prime is 2051533537. The next prime is 2051533543. The reversal of 2051533542 is 2453351502.

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

2051533542 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2051533543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170961123 + ... + 170961134.

It is an arithmetic number, because the mean of its divisors is an integer number (512883387).

Almost surely, 2^2051533542 is an apocalyptic number.

2051533542 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2051533542 is a wasteful number, since it uses less digits than its factorization.

2051533542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341922262.

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 2051533542 is about 45293.8576630430. The cubic root of 2051533542 is about 1270.6507797828.

The spelling of 2051533542 in words is "two billion, fifty-one million, five hundred thirty-three thousand, five hundred forty-two".