153435493 has 2 divisors, whose sum is σ = 153435494. Its totient is φ = 153435492.

The previous prime is 153435449. The next prime is 153435509. The reversal of 153435493 is 394534351.

153435493 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 152942689 + 492804 = 12367^2 + 702^2 .

It is a cyclic number.

It is not a de Polignac number, because 153435493 - 2¹³ = 153427301 is a prime.

It is equal to p_8626537 and since 153435493 and 8626537 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (153465493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76717746 + 76717747.

It is an arithmetic number, because the mean of its divisors is an integer number (76717747).

Almost surely, 2^153435493 is an apocalyptic number.

It is an amenable number.

153435493 is a deficient number, since it is larger than the sum of its proper divisors (1).

153435493 is an equidigital number, since it uses as much as digits as its factorization.

153435493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 97200, while the sum is 37.

The square root of 153435493 is about 12386.9081291499. The cubic root of 153435493 is about 535.3551000914.

The spelling of 153435493 in words is "one hundred fifty-three million, four hundred thirty-five thousand, four hundred ninety-three".