2051776925 has 12 divisors (see below), whose sum is σ = 2775494976. Its totient is φ = 1492201200.

The previous prime is 2051776913. The next prime is 2051776927. The reversal of 2051776925 is 5296771502.

It is not a de Polignac number, because 2051776925 - 2³⁰ = 978035101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2051776927) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 3730229 + ... + 3730778.

It is an arithmetic number, because the mean of its divisors is an integer number (231291248).

Almost surely, 2^2051776925 is an apocalyptic number.

2051776925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2051776925 is a deficient number, since it is larger than the sum of its proper divisors (723718051).

2051776925 is a wasteful number, since it uses less digits than its factorization.

2051776925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7461028 (or 7461023 counting only the distinct ones).

The product of its (nonzero) digits is 264600, while the sum is 44.

The square root of 2051776925 is about 45296.5442942395. The cubic root of 2051776925 is about 1270.7010255402.

The spelling of 2051776925 in words is "two billion, fifty-one million, seven hundred seventy-six thousand, nine hundred twenty-five".