61530067 has 2 divisors, whose sum is σ = 61530068. Its totient is φ = 61530066.

The previous prime is 61530043. The next prime is 61530121. The reversal of 61530067 is 76003516.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61530067 - 2¹⁵ = 61497299 is a prime.

It is not a weakly prime, because it can be changed into another prime (61530367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30765033 + 30765034.

It is an arithmetic number, because the mean of its divisors is an integer number (30765034).

Almost surely, 2^61530067 is an apocalyptic number.

61530067 is a deficient number, since it is larger than the sum of its proper divisors (1).

61530067 is an equidigital number, since it uses as much as digits as its factorization.

61530067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 61530067 is about 7844.1103383367. The cubic root of 61530067 is about 394.7866540034.

The spelling of 61530067 in words is "sixty-one million, five hundred thirty thousand, sixty-seven".