61682237 has 2 divisors, whose sum is σ = 61682238. Its totient is φ = 61682236.

The previous prime is 61682209. The next prime is 61682279. The reversal of 61682237 is 73228616.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40208281 + 21473956 = 6341^2 + 4634^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61682237 is a prime.

It is a super-2 number, since 2×61682237² = 7609396722648338, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 61682197 and 61682206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61682207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30841118 + 30841119.

It is an arithmetic number, because the mean of its divisors is an integer number (30841119).

Almost surely, 2^61682237 is an apocalyptic number.

It is an amenable number.

61682237 is a deficient number, since it is larger than the sum of its proper divisors (1).

61682237 is an equidigital number, since it uses as much as digits as its factorization.

61682237 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 35.

The square root of 61682237 is about 7853.8039827844. The cubic root of 61682237 is about 395.1118350216. Note that the first 3 decimals are identical.

The spelling of 61682237 in words is "sixty-one million, six hundred eighty-two thousand, two hundred thirty-seven".