153452993 has 2 divisors, whose sum is σ = 153452994. Its totient is φ = 153452992.

The previous prime is 153452977. The next prime is 153453011. The reversal of 153452993 is 399254351.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 111682624 + 41770369 = 10568^2 + 6463^2 .

It is a cyclic number.

It is not a de Polignac number, because 153452993 - 2⁴ = 153452977 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 153452993.

It is not a weakly prime, because it can be changed into another prime (153452093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76726496 + 76726497.

It is an arithmetic number, because the mean of its divisors is an integer number (76726497).

Almost surely, 2^153452993 is an apocalyptic number.

It is an amenable number.

153452993 is a deficient number, since it is larger than the sum of its proper divisors (1).

153452993 is an equidigital number, since it uses as much as digits as its factorization.

153452993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145800, while the sum is 41.

The square root of 153452993 is about 12387.6144999754. The cubic root of 153452993 is about 535.3754525273.

The spelling of 153452993 in words is "one hundred fifty-three million, four hundred fifty-two thousand, nine hundred ninety-three".