153112213 has 2 divisors, whose sum is σ = 153112214. Its totient is φ = 153112212.

The previous prime is 153112189. The next prime is 153112231. The reversal of 153112213 is 312211351.

Together with next prime (153112231) 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., 141538609 + 11573604 = 11897^2 + 3402^2 .

It is a cyclic number.

It is not a de Polignac number, because 153112213 - 2²¹ = 151015061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (153112273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76556106 + 76556107.

It is an arithmetic number, because the mean of its divisors is an integer number (76556107).

Almost surely, 2^153112213 is an apocalyptic number.

It is an amenable number.

153112213 is a deficient number, since it is larger than the sum of its proper divisors (1).

153112213 is an equidigital number, since it uses as much as digits as its factorization.

153112213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 180, while the sum is 19.

The square root of 153112213 is about 12373.8519871542. The cubic root of 153112213 is about 534.9788479715.

Adding to 153112213 its reverse (312211351), we get a palindrome (465323564).

The spelling of 153112213 in words is "one hundred fifty-three million, one hundred twelve thousand, two hundred thirteen".