52637369 has 2 divisors, whose sum is σ = 52637370.
Its totient is φ = 52637368.
The previous prime is 52637339. The next prime is 52637371. The reversal of 52637369 is 96373625.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 39942400 + 12694969 = 6320^2 + 3563^2
It is a cyclic number.
It is not a de Polignac number, because 52637369 - 216 = 52571833 is a prime.
It is a super-2 number, since 2×526373692 = 5541385230484322, which contains 22 as substring.
It is a Sophie Germain prime.
Together with 52637371, it forms a pair of twin primes.
It is a Chen prime.
It is a Curzon number.
It is not a weakly prime, because it can be changed into another prime (52637329) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26318684 + 26318685.
It is an arithmetic number, because the mean of its divisors is an integer number (26318685).
Almost surely, 252637369 is an apocalyptic number.
It is an amenable number.
52637369 is a deficient number, since it is larger than the sum of its proper divisors (1).
52637369 is an equidigital number, since it uses as much as digits as its factorization.
52637369 is an evil number, because the sum of its binary digits is even.
The product of its digits is 204120, while the sum is 41.
The square root of 52637369 is about 7255.1615419645.
The cubic root of 52637369 is about 374.7699187143.
The spelling of 52637369 in words is "fifty-two million, six hundred thirty-seven thousand, three hundred sixty-nine".