538090429 has 2 divisors, whose sum is σ = 538090430. Its totient is φ = 538090428.

The previous prime is 538090403. The next prime is 538090459. The reversal of 538090429 is 924090835.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 536987929 + 1102500 = 23173^2 + 1050^2 .

It is a cyclic number.

It is not a de Polignac number, because 538090429 - 2²¹ = 535993277 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 538090391 and 538090400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (538090459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269045214 + 269045215.

It is an arithmetic number, because the mean of its divisors is an integer number (269045215).

Almost surely, 2^538090429 is an apocalyptic number.

It is an amenable number.

538090429 is a deficient number, since it is larger than the sum of its proper divisors (1).

538090429 is an equidigital number, since it uses as much as digits as its factorization.

538090429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 538090429 is about 23196.7762630931. The cubic root of 538090429 is about 813.3642673706.

The spelling of 538090429 in words is "five hundred thirty-eight million, ninety thousand, four hundred twenty-nine".