61530527 has 2 divisors, whose sum is σ = 61530528. Its totient is φ = 61530526.

The previous prime is 61530503. The next prime is 61530533. The reversal of 61530527 is 72503516.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61530527 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 61530527.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61530127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30765263 + 30765264.

It is an arithmetic number, because the mean of its divisors is an integer number (30765264).

Almost surely, 2^61530527 is an apocalyptic number.

61530527 is a deficient number, since it is larger than the sum of its proper divisors (1).

61530527 is an equidigital number, since it uses as much as digits as its factorization.

61530527 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6300, while the sum is 29.

The square root of 61530527 is about 7844.1396596440. The cubic root of 61530527 is about 394.7876378119.

The spelling of 61530527 in words is "sixty-one million, five hundred thirty thousand, five hundred twenty-seven".