2412172261 has 2 divisors, whose sum is σ = 2412172262. Its totient is φ = 2412172260.

The previous prime is 2412172207. The next prime is 2412172267. The reversal of 2412172261 is 1622712142.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2380464100 + 31708161 = 48790^2 + 5631^2 .

It is a cyclic number.

It is not a de Polignac number, because 2412172261 - 2¹⁵ = 2412139493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2412172267) 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 as a sum of consecutive naturals, namely, 1206086130 + 1206086131.

It is an arithmetic number, because the mean of its divisors is an integer number (1206086131).

Almost surely, 2^2412172261 is an apocalyptic number.

It is an amenable number.

2412172261 is a deficient number, since it is larger than the sum of its proper divisors (1).

2412172261 is an equidigital number, since it uses as much as digits as its factorization.

2412172261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2688, while the sum is 28.

The square root of 2412172261 is about 49113.8703524778. The cubic root of 2412172261 is about 1341.1255600161.

The spelling of 2412172261 in words is "two billion, four hundred twelve million, one hundred seventy-two thousand, two hundred sixty-one".