153199997 has 2 divisors, whose sum is σ = 153199998. Its totient is φ = 153199996.

The previous prime is 153199993. The next prime is 153200009. The reversal of 153199997 is 799991351.

It is a happy number.

153199997 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., 147719716 + 5480281 = 12154^2 + 2341^2 .

It is an emirp because it is prime and its reverse (799991351) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 153199997 - 2² = 153199993 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (153199993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76599998 + 76599999.

It is an arithmetic number, because the mean of its divisors is an integer number (76599999).

Almost surely, 2^153199997 is an apocalyptic number.

It is an amenable number.

153199997 is a deficient number, since it is larger than the sum of its proper divisors (1).

153199997 is an equidigital number, since it uses as much as digits as its factorization.

153199997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 688905, while the sum is 53.

The square root of 153199997 is about 12377.3986362240. The cubic root of 153199997 is about 535.0810684499.

The spelling of 153199997 in words is "one hundred fifty-three million, one hundred ninety-nine thousand, nine hundred ninety-seven".