32551223513 has 2 divisors, whose sum is σ = 32551223514. Its totient is φ = 32551223512.

The previous prime is 32551223461. The next prime is 32551223531. The reversal of 32551223513 is 31532215523.

Together with next prime (32551223531) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24139215424 + 8412008089 = 155368^2 + 91717^2 .

It is an emirp because it is prime and its reverse (31532215523) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 32551223513 - 2¹² = 32551219417 is a prime.

It is a super-2 number, since 2×32551223513² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 32551223513.

It is not a weakly prime, because it can be changed into another prime (32551223543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16275611756 + 16275611757.

It is an arithmetic number, because the mean of its divisors is an integer number (16275611757).

Almost surely, 2^32551223513 is an apocalyptic number.

It is an amenable number.

32551223513 is a deficient number, since it is larger than the sum of its proper divisors (1).

32551223513 is an equidigital number, since it uses as much as digits as its factorization.

32551223513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27000, while the sum is 32.

The spelling of 32551223513 in words is "thirty-two billion, five hundred fifty-one million, two hundred twenty-three thousand, five hundred thirteen".