52420541 has 2 divisors, whose sum is σ = 52420542. Its totient is φ = 52420540.

The previous prime is 52420493. The next prime is 52420561. The reversal of 52420541 is 14502425.

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., 33016516 + 19404025 = 5746^2 + 4405^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52420541 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 (52420561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26210270 + 26210271.

It is an arithmetic number, because the mean of its divisors is an integer number (26210271).

Almost surely, 2^52420541 is an apocalyptic number.

It is an amenable number.

52420541 is a deficient number, since it is larger than the sum of its proper divisors (1).

52420541 is an equidigital number, since it uses as much as digits as its factorization.

52420541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 52420541 is about 7240.2031048859. The cubic root of 52420541 is about 374.2546165763.

Adding to 52420541 its reverse (14502425), we get a palindrome (66922966).

The spelling of 52420541 in words is "fifty-two million, four hundred twenty thousand, five hundred forty-one".