2636250061 has 8 divisors (see below), whose sum is σ = 2803516920. Its totient is φ = 2470338048.

The previous prime is 2636250059. The next prime is 2636250073. The reversal of 2636250061 is 1600526362.

It can be written as a sum of positive squares in 4 ways, for example, as 2146468900 + 489781161 = 46330^2 + 22131^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2636250061 - 2¹ = 2636250059 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2636250031) 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 7 ways as a sum of consecutive naturals, for example, 334696 + ... + 342481.

It is an arithmetic number, because the mean of its divisors is an integer number (350439615).

Almost surely, 2^2636250061 is an apocalyptic number.

It is an amenable number.

2636250061 is a deficient number, since it is larger than the sum of its proper divisors (167266859).

2636250061 is a wasteful number, since it uses less digits than its factorization.

2636250061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677423.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 2636250061 is about 51344.4258026127. The cubic root of 2636250061 is about 1381.4299504266.

The spelling of 2636250061 in words is "two billion, six hundred thirty-six million, two hundred fifty thousand, sixty-one".