5306611421 has 4 divisors (see below), whose sum is σ = 5618765052. Its totient is φ = 4994457792.

The previous prime is 5306611417. The next prime is 5306611459. The reversal of 5306611421 is 1241166035.

It is a happy number.

5306611421 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 3739322500 + 1567288921 = 61150^2 + 39589^2 .

It is a cyclic number.

It is not a de Polignac number, because 5306611421 - 2² = 5306611417 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5306641421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 156076790 + ... + 156076823.

It is an arithmetic number, because the mean of its divisors is an integer number (1404691263).

Almost surely, 2^5306611421 is an apocalyptic number.

It is an amenable number.

5306611421 is a deficient number, since it is larger than the sum of its proper divisors (312153631).

5306611421 is a wasteful number, since it uses less digits than its factorization.

5306611421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312153630.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 5306611421 is about 72846.4921667475. The cubic root of 5306611421 is about 1744.2380749330.

Adding to 5306611421 its reverse (1241166035), we get a palindrome (6547777456).

The spelling of 5306611421 in words is "five billion, three hundred six million, six hundred eleven thousand, four hundred twenty-one".