5323405421 has 2 divisors, whose sum is σ = 5323405422. Its totient is φ = 5323405420.

The previous prime is 5323405369. The next prime is 5323405429. The reversal of 5323405421 is 1245043235.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4424245225 + 899160196 = 66515^2 + 29986^2 .

It is a cyclic number.

It is not a de Polignac number, because 5323405421 - 2⁶ = 5323405357 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5323405429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2661702710 + 2661702711.

It is an arithmetic number, because the mean of its divisors is an integer number (2661702711).

Almost surely, 2^5323405421 is an apocalyptic number.

It is an amenable number.

5323405421 is a deficient number, since it is larger than the sum of its proper divisors (1).

5323405421 is an equidigital number, since it uses as much as digits as its factorization.

5323405421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 5323405421 is about 72961.6709032900. The cubic root of 5323405421 is about 1746.0761523119.

Adding to 5323405421 its reverse (1245043235), we get a palindrome (6568448656).

The spelling of 5323405421 in words is "five billion, three hundred twenty-three million, four hundred five thousand, four hundred twenty-one".