2251643341 has 2 divisors, whose sum is σ = 2251643342. Its totient is φ = 2251643340.

The previous prime is 2251643321. The next prime is 2251643417. The reversal of 2251643341 is 1433461522.

2251643341 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2082096900 + 169546441 = 45630^2 + 13021^2 .

It is a cyclic number.

It is not a de Polignac number, because 2251643341 - 2¹⁹ = 2251119053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2251643321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1125821670 + 1125821671.

It is an arithmetic number, because the mean of its divisors is an integer number (1125821671).

Almost surely, 2^2251643341 is an apocalyptic number.

It is an amenable number.

2251643341 is a deficient number, since it is larger than the sum of its proper divisors (1).

2251643341 is an equidigital number, since it uses as much as digits as its factorization.

2251643341 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17280, while the sum is 31.

The square root of 2251643341 is about 47451.4840758432. The cubic root of 2251643341 is about 1310.6896396001.

The spelling of 2251643341 in words is "two billion, two hundred fifty-one million, six hundred forty-three thousand, three hundred forty-one".