235478429 has 2 divisors, whose sum is σ = 235478430. Its totient is φ = 235478428.

The previous prime is 235478389. The next prime is 235478443. The reversal of 235478429 is 924874532.

235478429 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., 228312100 + 7166329 = 15110^2 + 2677^2 .

It is a cyclic number.

It is not a de Polignac number, because 235478429 - 2¹⁶ = 235412893 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 235478429.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (235478459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117739214 + 117739215.

It is an arithmetic number, because the mean of its divisors is an integer number (117739215).

Almost surely, 2^235478429 is an apocalyptic number.

It is an amenable number.

235478429 is a deficient number, since it is larger than the sum of its proper divisors (1).

235478429 is an equidigital number, since it uses as much as digits as its factorization.

235478429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 483840, while the sum is 44.

The square root of 235478429 is about 15345.3064159697. The cubic root of 235478429 is about 617.5190738643.

The spelling of 235478429 in words is "two hundred thirty-five million, four hundred seventy-eight thousand, four hundred twenty-nine".