2251534141 has 2 divisors, whose sum is σ = 2251534142. Its totient is φ = 2251534140.

The previous prime is 2251534139. The next prime is 2251534151. The reversal of 2251534141 is 1414351522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2028151225 + 223382916 = 45035^2 + 14946^2 .

It is a cyclic number.

It is not a de Polignac number, because 2251534141 - 2¹ = 2251534139 is a prime.

Together with 2251534139, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2251534121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1125767070 + 1125767071.

It is an arithmetic number, because the mean of its divisors is an integer number (1125767071).

Almost surely, 2^2251534141 is an apocalyptic number.

It is an amenable number.

2251534141 is a deficient number, since it is larger than the sum of its proper divisors (1).

2251534141 is an equidigital number, since it uses as much as digits as its factorization.

2251534141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4800, while the sum is 28.

The square root of 2251534141 is about 47450.3334129487. Note that the first 3 decimals coincide. The cubic root of 2251534141 is about 1310.6684506874.

Adding to 2251534141 its reverse (1414351522), we get a palindrome (3665885663).

The spelling of 2251534141 in words is "two billion, two hundred fifty-one million, five hundred thirty-four thousand, one hundred forty-one".