2051381050 has 12 divisors (see below), whose sum is σ = 3815568846. Its totient is φ = 820552400.

The previous prime is 2051380993. The next prime is 2051381069. The reversal of 2051381050 is 501831502.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 1782781729 + 268599321 = 42223^2 + 16389^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

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 5 ways as a sum of consecutive naturals, for example, 20513761 + ... + 20513860.

Almost surely, 2^2051381050 is an apocalyptic number.

2051381050 is a deficient number, since it is larger than the sum of its proper divisors (1764187796).

2051381050 is a wasteful number, since it uses less digits than its factorization.

2051381050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41027633 (or 41027628 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 2051381050 is about 45292.1742688513. The cubic root of 2051381050 is about 1270.6192961997.

The spelling of 2051381050 in words is "two billion, fifty-one million, three hundred eighty-one thousand, fifty".