52630397 has 2 divisors, whose sum is σ = 52630398. Its totient is φ = 52630396.

The previous prime is 52630381. The next prime is 52630423. The reversal of 52630397 is 79303625.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51681721 + 948676 = 7189^2 + 974^2 .

It is a cyclic number.

It is not a de Polignac number, because 52630397 - 2⁴ = 52630381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52630307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26315198 + 26315199.

It is an arithmetic number, because the mean of its divisors is an integer number (26315199).

Almost surely, 2^52630397 is an apocalyptic number.

It is an amenable number.

52630397 is a deficient number, since it is larger than the sum of its proper divisors (1).

52630397 is an equidigital number, since it uses as much as digits as its factorization.

52630397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34020, while the sum is 35.

The square root of 52630397 is about 7254.6810405420. The cubic root of 52630397 is about 374.7533714635.

The spelling of 52630397 in words is "fifty-two million, six hundred thirty thousand, three hundred ninety-seven".