153940273 has 2 divisors, whose sum is σ = 153940274. Its totient is φ = 153940272.

The previous prime is 153940247. The next prime is 153940309. The reversal of 153940273 is 372049351.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 115089984 + 38850289 = 10728^2 + 6233^2 .

It is an emirp because it is prime and its reverse (372049351) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-153940273 is a prime.

It is not a weakly prime, because it can be changed into another prime (153940573) 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, 76970136 + 76970137.

It is an arithmetic number, because the mean of its divisors is an integer number (76970137).

Almost surely, 2^153940273 is an apocalyptic number.

It is an amenable number.

153940273 is a deficient number, since it is larger than the sum of its proper divisors (1).

153940273 is an equidigital number, since it uses as much as digits as its factorization.

153940273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 153940273 is about 12407.2669432071. The cubic root of 153940273 is about 535.9415370723.

The spelling of 153940273 in words is "one hundred fifty-three million, nine hundred forty thousand, two hundred seventy-three".