2152124543 has 2 divisors, whose sum is σ = 2152124544. Its totient is φ = 2152124542.

The previous prime is 2152124497. The next prime is 2152124551. The reversal of 2152124543 is 3454212512.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2152124543 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2152124593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1076062271 + 1076062272.

It is an arithmetic number, because the mean of its divisors is an integer number (1076062272).

Almost surely, 2^2152124543 is an apocalyptic number.

2152124543 is a deficient number, since it is larger than the sum of its proper divisors (1).

2152124543 is an equidigital number, since it uses as much as digits as its factorization.

2152124543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9600, while the sum is 29.

The square root of 2152124543 is about 46390.9963570519. The cubic root of 2152124543 is about 1291.0878676637.

It can be divided in two parts, 21521 and 24543, that added together give a palindrome (46064).

The spelling of 2152124543 in words is "two billion, one hundred fifty-two million, one hundred twenty-four thousand, five hundred forty-three".