61546427 has 2 divisors, whose sum is σ = 61546428. Its totient is φ = 61546426.

The previous prime is 61546423. The next prime is 61546447. The reversal of 61546427 is 72464516.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61546427 - 2² = 61546423 is a prime.

It is equal to p_3648365 and since 61546427 and 3648365 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (61546423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30773213 + 30773214.

It is an arithmetic number, because the mean of its divisors is an integer number (30773214).

Almost surely, 2^61546427 is an apocalyptic number.

61546427 is a deficient number, since it is larger than the sum of its proper divisors (1).

61546427 is an equidigital number, since it uses as much as digits as its factorization.

61546427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40320, while the sum is 35.

The square root of 61546427 is about 7845.1530896471. The cubic root of 61546427 is about 394.8216403531.

The spelling of 61546427 in words is "sixty-one million, five hundred forty-six thousand, four hundred twenty-seven".