153213497 has 2 divisors, whose sum is σ = 153213498. Its totient is φ = 153213496.

The previous prime is 153213491. The next prime is 153213521. The reversal of 153213497 is 794312351.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 111598096 + 41615401 = 10564^2 + 6451^2 .

It is a cyclic number.

It is not a de Polignac number, because 153213497 - 2⁴ = 153213481 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (153213491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76606748 + 76606749.

It is an arithmetic number, because the mean of its divisors is an integer number (76606749).

Almost surely, 2^153213497 is an apocalyptic number.

It is an amenable number.

153213497 is a deficient number, since it is larger than the sum of its proper divisors (1).

153213497 is an equidigital number, since it uses as much as digits as its factorization.

153213497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22680, while the sum is 35.

The square root of 153213497 is about 12377.9439730514. The cubic root of 153213497 is about 535.0967851218.

The spelling of 153213497 in words is "one hundred fifty-three million, two hundred thirteen thousand, four hundred ninety-seven".