2251606350541 has 2 divisors, whose sum is σ = 2251606350542. Its totient is φ = 2251606350540.

The previous prime is 2251606350529. The next prime is 2251606350599. The reversal of 2251606350541 is 1450536061522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2251305189225 + 301161316 = 1500435^2 + 17354^2 .

It is a cyclic number.

It is not a de Polignac number, because 2251606350541 - 2¹⁷ = 2251606219469 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2251606350494 and 2251606350503.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2251606330541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1125803175270 + 1125803175271.

It is an arithmetic number, because the mean of its divisors is an integer number (1125803175271).

Almost surely, 2^{2251606350541} is an apocalyptic number.

It is an amenable number.

2251606350541 is a deficient number, since it is larger than the sum of its proper divisors (1).

2251606350541 is an equidigital number, since it uses as much as digits as its factorization.

2251606350541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216000, while the sum is 40.

The spelling of 2251606350541 in words is "two trillion, two hundred fifty-one billion, six hundred six million, three hundred fifty thousand, five hundred forty-one".