61247167 has 2 divisors, whose sum is σ = 61247168. Its totient is φ = 61247166.

The previous prime is 61247161. The next prime is 61247191. The reversal of 61247167 is 76174216.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61247167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61247161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30623583 + 30623584.

It is an arithmetic number, because the mean of its divisors is an integer number (30623584).

Almost surely, 2^61247167 is an apocalyptic number.

61247167 is a deficient number, since it is larger than the sum of its proper divisors (1).

61247167 is an equidigital number, since it uses as much as digits as its factorization.

61247167 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14112, while the sum is 34.

The square root of 61247167 is about 7826.0569254255. The cubic root of 61247167 is about 394.1806806135.

The spelling of 61247167 in words is "sixty-one million, two hundred forty-seven thousand, one hundred sixty-seven".