61966337 has 2 divisors, whose sum is σ = 61966338. Its totient is φ = 61966336.

The previous prime is 61966313. The next prime is 61966349. The reversal of 61966337 is 73366916.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57623281 + 4343056 = 7591^2 + 2084^2 .

61966337 is a truncatable prime.

It is a cyclic number.

It is not a de Polignac number, because 61966337 - 2⁶ = 61966273 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 61966294 and 61966303.

It is not a weakly prime, because it can be changed into another prime (61966837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30983168 + 30983169.

It is an arithmetic number, because the mean of its divisors is an integer number (30983169).

Almost surely, 2^61966337 is an apocalyptic number.

It is an amenable number.

61966337 is a deficient number, since it is larger than the sum of its proper divisors (1).

61966337 is an equidigital number, since it uses as much as digits as its factorization.

61966337 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 122472, while the sum is 41.

The square root of 61966337 is about 7871.8699811417. The cubic root of 61966337 is about 395.7175165456.

The spelling of 61966337 in words is "sixty-one million, nine hundred sixty-six thousand, three hundred thirty-seven".