61527671 has 2 divisors, whose sum is σ = 61527672. Its totient is φ = 61527670.

The previous prime is 61527637. The next prime is 61527703. The reversal of 61527671 is 17672516.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61527671 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61527601) 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, 30763835 + 30763836.

It is an arithmetic number, because the mean of its divisors is an integer number (30763836).

Almost surely, 2^61527671 is an apocalyptic number.

61527671 is a deficient number, since it is larger than the sum of its proper divisors (1).

61527671 is an equidigital number, since it uses as much as digits as its factorization.

61527671 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17640, while the sum is 35.

The square root of 61527671 is about 7843.9576107983. The cubic root of 61527671 is about 394.7815295651.

The spelling of 61527671 in words is "sixty-one million, five hundred twenty-seven thousand, six hundred seventy-one".