5235421085 has 4 divisors (see below), whose sum is σ = 6282505308. Its totient is φ = 4188336864.

The previous prime is 5235421057. The next prime is 5235421091. The reversal of 5235421085 is 5801245325.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2858078521 + 2377342564 = 53461^2 + 48758^2 .

It is a cyclic number.

It is not a de Polignac number, because 5235421085 - 2⁶ = 5235421021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 523542104 + ... + 523542113.

It is an arithmetic number, because the mean of its divisors is an integer number (1570626327).

Almost surely, 2^5235421085 is an apocalyptic number.

It is an amenable number.

5235421085 is a deficient number, since it is larger than the sum of its proper divisors (1047084223).

5235421085 is a wasteful number, since it uses less digits than its factorization.

5235421085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1047084222.

The product of its (nonzero) digits is 48000, while the sum is 35.

The square root of 5235421085 is about 72356.2097196916. The cubic root of 5235421085 is about 1736.4030469465.

The spelling of 5235421085 in words is "five billion, two hundred thirty-five million, four hundred twenty-one thousand, eighty-five".