5425336521 has 24 divisors (see below), whose sum is σ = 8757534240. Its totient is φ = 3207883200.

The previous prime is 5425336481. The next prime is 5425336549. The reversal of 5425336521 is 1256335245.

5425336521 is a `hidden beast` number, since 5 + 42 + 533 + 65 + 21 = 666.

It is not a de Polignac number, because 5425336521 - 2¹³ = 5425328329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5425336121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 664251 + ... + 672368.

It is an arithmetic number, because the mean of its divisors is an integer number (364897260).

Almost surely, 2^5425336521 is an apocalyptic number.

It is an amenable number.

5425336521 is a deficient number, since it is larger than the sum of its proper divisors (3332197719).

5425336521 is a wasteful number, since it uses less digits than its factorization.

5425336521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1336677 (or 1336674 counting only the distinct ones).

The product of its digits is 108000, while the sum is 36.

The square root of 5425336521 is about 73656.8837312576. The cubic root of 5425336521 is about 1757.1502307472.

The spelling of 5425336521 in words is "five billion, four hundred twenty-five million, three hundred thirty-six thousand, five hundred twenty-one".