634382237 has 2 divisors, whose sum is σ = 634382238. Its totient is φ = 634382236.

The previous prime is 634382213. The next prime is 634382263. The reversal of 634382237 is 732283436.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 602898916 + 31483321 = 24554^2 + 5611^2 .

It is a cyclic number.

It is not a de Polignac number, because 634382237 - 2¹⁰ = 634381213 is a prime.

It is a super-2 number, since 2×634382237² = 804881645242248338, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 634382237.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (634382267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 317191118 + 317191119.

It is an arithmetic number, because the mean of its divisors is an integer number (317191119).

Almost surely, 2^634382237 is an apocalyptic number.

It is an amenable number.

634382237 is a deficient number, since it is larger than the sum of its proper divisors (1).

634382237 is an equidigital number, since it uses as much as digits as its factorization.

634382237 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145152, while the sum is 38.

The square root of 634382237 is about 25186.9457656144. The cubic root of 634382237 is about 859.2449822863.

The spelling of 634382237 in words is "six hundred thirty-four million, three hundred eighty-two thousand, two hundred thirty-seven".