153898009 has 2 divisors, whose sum is σ = 153898010. Its totient is φ = 153898008.

The previous prime is 153898001. The next prime is 153898013. The reversal of 153898009 is 900898351.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 132710400 + 21187609 = 11520^2 + 4603^2 .

It is a cyclic number.

It is not a de Polignac number, because 153898009 - 2³ = 153898001 is a prime.

It is not a weakly prime, because it can be changed into another prime (153898001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76949004 + 76949005.

It is an arithmetic number, because the mean of its divisors is an integer number (76949005).

Almost surely, 2^153898009 is an apocalyptic number.

It is an amenable number.

153898009 is a deficient number, since it is larger than the sum of its proper divisors (1).

153898009 is an equidigital number, since it uses as much as digits as its factorization.

153898009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77760, while the sum is 43.

The square root of 153898009 is about 12405.5636308876. The cubic root of 153898009 is about 535.8924853504.

The spelling of 153898009 in words is "one hundred fifty-three million, eight hundred ninety-eight thousand, nine".