43012531253 has 2 divisors, whose sum is σ = 43012531254. Its totient is φ = 43012531252.

The previous prime is 43012531241. The next prime is 43012531277. The reversal of 43012531253 is 35213521034.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42181765924 + 830765329 = 205382^2 + 28823^2 .

It is a cyclic number.

It is not a de Polignac number, because 43012531253 - 2¹⁴ = 43012514869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43012531213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21506265626 + 21506265627.

It is an arithmetic number, because the mean of its divisors is an integer number (21506265627).

Almost surely, 2^43012531253 is an apocalyptic number.

It is an amenable number.

43012531253 is a deficient number, since it is larger than the sum of its proper divisors (1).

43012531253 is an equidigital number, since it uses as much as digits as its factorization.

43012531253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10800, while the sum is 29.

The spelling of 43012531253 in words is "forty-three billion, twelve million, five hundred thirty-one thousand, two hundred fifty-three".