5425232421 has 12 divisors (see below), whose sum is σ = 8414646432. Its totient is φ = 3100132728.

The previous prime is 5425232401. The next prime is 5425232429. The reversal of 5425232421 is 1242325245.

It is not a de Polignac number, because 5425232421 - 2²⁵ = 5391677989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5425232429) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 18453025 + ... + 18453318.

It is an arithmetic number, because the mean of its divisors is an integer number (701220536).

Almost surely, 2^5425232421 is an apocalyptic number.

It is an amenable number.

5425232421 is a deficient number, since it is larger than the sum of its proper divisors (2989414011).

5425232421 is a wasteful number, since it uses less digits than its factorization.

5425232421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36906360 (or 36906353 counting only the distinct ones).

The product of its digits is 19200, while the sum is 30.

The square root of 5425232421 is about 73656.1770729380. The cubic root of 5425232421 is about 1757.1389920890.

Adding to 5425232421 its reverse (1242325245), we get a palindrome (6667557666).

The spelling of 5425232421 in words is "five billion, four hundred twenty-five million, two hundred thirty-two thousand, four hundred twenty-one".