52534421 has 2 divisors, whose sum is σ = 52534422. Its totient is φ = 52534420.

The previous prime is 52534397. The next prime is 52534441. The reversal of 52534421 is 12443525.

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., 36844900 + 15689521 = 6070^2 + 3961^2 .

It is a cyclic number.

It is not a de Polignac number, because 52534421 - 2⁶ = 52534357 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52534441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26267210 + 26267211.

It is an arithmetic number, because the mean of its divisors is an integer number (26267211).

Almost surely, 2^52534421 is an apocalyptic number.

It is an amenable number.

52534421 is a deficient number, since it is larger than the sum of its proper divisors (1).

52534421 is an equidigital number, since it uses as much as digits as its factorization.

52534421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4800, while the sum is 26.

The square root of 52534421 is about 7248.0632585540. The cubic root of 52534421 is about 374.5254346502.

Adding to 52534421 its reverse (12443525), we get a palindrome (64977946).

The spelling of 52534421 in words is "fifty-two million, five hundred thirty-four thousand, four hundred twenty-one".