2251010061 has 8 divisors (see below), whose sum is σ = 3334829760. Its totient is φ = 1500673356.

The previous prime is 2251010051. The next prime is 2251010077. The reversal of 2251010061 is 1600101522.

It is not a de Polignac number, because 2251010061 - 2⁵ = 2251010029 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2251010051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41685345 + ... + 41685398.

It is an arithmetic number, because the mean of its divisors is an integer number (416853720).

Almost surely, 2^2251010061 is an apocalyptic number.

It is an amenable number.

2251010061 is a deficient number, since it is larger than the sum of its proper divisors (1083819699).

2251010061 is an equidigital number, since it uses as much as digits as its factorization.

2251010061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83370752 (or 83370746 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 2251010061 is about 47444.8106856798. The cubic root of 2251010061 is about 1310.5667498943.

Adding to 2251010061 its reverse (1600101522), we get a palindrome (3851111583).

The spelling of 2251010061 in words is "two billion, two hundred fifty-one million, ten thousand, sixty-one".