52380521 has 2 divisors, whose sum is σ = 52380522. Its totient is φ = 52380520.

The previous prime is 52380491. The next prime is 52380551. The reversal of 52380521 is 12508325.

It is a balanced prime because it is at equal distance from previous prime (52380491) and next prime (52380551).

It can be written as a sum of positive squares in only one way, i.e., 48846121 + 3534400 = 6989^2 + 1880^2 .

It is a cyclic number.

It is not a de Polignac number, because 52380521 - 2⁶ = 52380457 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (52380551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26190260 + 26190261.

It is an arithmetic number, because the mean of its divisors is an integer number (26190261).

Almost surely, 2^52380521 is an apocalyptic number.

It is an amenable number.

52380521 is a deficient number, since it is larger than the sum of its proper divisors (1).

52380521 is an equidigital number, since it uses as much as digits as its factorization.

52380521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 52380521 is about 7237.4388425741. The cubic root of 52380521 is about 374.1593518664.

Adding to 52380521 its reverse (12508325), we get a palindrome (64888846).

The spelling of 52380521 in words is "fifty-two million, three hundred eighty thousand, five hundred twenty-one".