61386527 has 2 divisors, whose sum is σ = 61386528. Its totient is φ = 61386526.

The previous prime is 61386463. The next prime is 61386581. The reversal of 61386527 is 72568316.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61386527 - 2⁶ = 61386463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61382527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30693263 + 30693264.

It is an arithmetic number, because the mean of its divisors is an integer number (30693264).

Almost surely, 2^61386527 is an apocalyptic number.

61386527 is a deficient number, since it is larger than the sum of its proper divisors (1).

61386527 is an equidigital number, since it uses as much as digits as its factorization.

61386527 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60480, while the sum is 38.

The square root of 61386527 is about 7834.9554561593. The cubic root of 61386527 is about 394.4794231818.

The spelling of 61386527 in words is "sixty-one million, three hundred eighty-six thousand, five hundred twenty-seven".