153405073 has 2 divisors, whose sum is σ = 153405074. Its totient is φ = 153405072.

The previous prime is 153405029. The next prime is 153405079. The reversal of 153405073 is 370504351.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 93373569 + 60031504 = 9663^2 + 7748^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-153405073 is a prime.

It is not a weakly prime, because it can be changed into another prime (153405079) 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, 76702536 + 76702537.

It is an arithmetic number, because the mean of its divisors is an integer number (76702537).

Almost surely, 2^153405073 is an apocalyptic number.

It is an amenable number.

153405073 is a deficient number, since it is larger than the sum of its proper divisors (1).

153405073 is an equidigital number, since it uses as much as digits as its factorization.

153405073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6300, while the sum is 28.

The square root of 153405073 is about 12385.6801589578. The cubic root of 153405073 is about 535.3197180596.

The spelling of 153405073 in words is "one hundred fifty-three million, four hundred five thousand, seventy-three".