153812213 has 2 divisors, whose sum is σ = 153812214. Its totient is φ = 153812212.

The previous prime is 153812207. The next prime is 153812227. The reversal of 153812213 is 312218351.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 117896164 + 35916049 = 10858^2 + 5993^2 .

It is a cyclic number.

It is not a de Polignac number, because 153812213 - 2⁶ = 153812149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (153812713) 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, 76906106 + 76906107.

It is an arithmetic number, because the mean of its divisors is an integer number (76906107).

Almost surely, 2^153812213 is an apocalyptic number.

It is an amenable number.

153812213 is a deficient number, since it is larger than the sum of its proper divisors (1).

153812213 is an equidigital number, since it uses as much as digits as its factorization.

153812213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1440, while the sum is 26.

The square root of 153812213 is about 12402.1051842016. The cubic root of 153812213 is about 535.7928826362.

The spelling of 153812213 in words is "one hundred fifty-three million, eight hundred twelve thousand, two hundred thirteen".