153463997 has 2 divisors, whose sum is σ = 153463998. Its totient is φ = 153463996.

The previous prime is 153463979. The next prime is 153464023. The reversal of 153463997 is 799364351.

Together with previous prime (153463979) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 145106116 + 8357881 = 12046^2 + 2891^2 .

It is an emirp because it is prime and its reverse (799364351) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 153463997 - 2¹⁰ = 153462973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (153463907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76731998 + 76731999.

It is an arithmetic number, because the mean of its divisors is an integer number (76731999).

Almost surely, 2^153463997 is an apocalyptic number.

It is an amenable number.

153463997 is a deficient number, since it is larger than the sum of its proper divisors (1).

153463997 is an equidigital number, since it uses as much as digits as its factorization.

153463997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 612360, while the sum is 47.

The square root of 153463997 is about 12388.0586453245. The cubic root of 153463997 is about 535.3882493466.

The spelling of 153463997 in words is "one hundred fifty-three million, four hundred sixty-three thousand, nine hundred ninety-seven".