153193973 has 2 divisors, whose sum is σ = 153193974. Its totient is φ = 153193972.

The previous prime is 153193967. The next prime is 153193991. The reversal of 153193973 is 379391351.

153193973 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 153190129 + 3844 = 12377^2 + 62^2 .

It is an emirp because it is prime and its reverse (379391351) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 153193973 - 2⁸ = 153193717 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 153193973.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (153196973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76596986 + 76596987.

It is an arithmetic number, because the mean of its divisors is an integer number (76596987).

Almost surely, 2^153193973 is an apocalyptic number.

It is an amenable number.

153193973 is a deficient number, since it is larger than the sum of its proper divisors (1).

153193973 is an equidigital number, since it uses as much as digits as its factorization.

153193973 is an evil number, because the sum of its binary digits is even.

The product of its digits is 76545, while the sum is 41.

The square root of 153193973 is about 12377.1552870601. The cubic root of 153193973 is about 535.0740550238.

The spelling of 153193973 in words is "one hundred fifty-three million, one hundred ninety-three thousand, nine hundred seventy-three".