2251344541 has 2 divisors, whose sum is σ = 2251344542. Its totient is φ = 2251344540.

The previous prime is 2251344499. The next prime is 2251344551. The reversal of 2251344541 is 1454431522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1970916025 + 280428516 = 44395^2 + 16746^2 .

It is a cyclic number.

It is not a de Polignac number, because 2251344541 - 2⁷ = 2251344413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2251344551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1125672270 + 1125672271.

It is an arithmetic number, because the mean of its divisors is an integer number (1125672271).

Almost surely, 2^2251344541 is an apocalyptic number.

It is an amenable number.

2251344541 is a deficient number, since it is larger than the sum of its proper divisors (1).

2251344541 is an equidigital number, since it uses as much as digits as its factorization.

2251344541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19200, while the sum is 31.

The square root of 2251344541 is about 47448.3354924069. The cubic root of 2251344541 is about 1310.6316595192.

The spelling of 2251344541 in words is "two billion, two hundred fifty-one million, three hundred forty-four thousand, five hundred forty-one".