52528397 has 2 divisors, whose sum is σ = 52528398. Its totient is φ = 52528396.

The previous prime is 52528387. The next prime is 52528429. The reversal of 52528397 is 79382525.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36735721 + 15792676 = 6061^2 + 3974^2 .

It is a cyclic number.

It is not a de Polignac number, because 52528397 - 2²⁰ = 51479821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52528337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26264198 + 26264199.

It is an arithmetic number, because the mean of its divisors is an integer number (26264199).

Almost surely, 2^52528397 is an apocalyptic number.

It is an amenable number.

52528397 is a deficient number, since it is larger than the sum of its proper divisors (1).

52528397 is an equidigital number, since it uses as much as digits as its factorization.

52528397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 151200, while the sum is 41.

The square root of 52528397 is about 7247.6476873535. The cubic root of 52528397 is about 374.5111187826.

It can be divided in two parts, 52528 and 397, that added together give a palindrome (52925).

The spelling of 52528397 in words is "fifty-two million, five hundred twenty-eight thousand, three hundred ninety-seven".