61080427 has 2 divisors, whose sum is σ = 61080428. Its totient is φ = 61080426.

The previous prime is 61080389. The next prime is 61080431. The reversal of 61080427 is 72408016.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61080427 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 61080395 and 61080404.

It is not a weakly prime, because it can be changed into another prime (61084427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30540213 + 30540214.

It is an arithmetic number, because the mean of its divisors is an integer number (30540214).

Almost surely, 2^61080427 is an apocalyptic number.

61080427 is a deficient number, since it is larger than the sum of its proper divisors (1).

61080427 is an equidigital number, since it uses as much as digits as its factorization.

61080427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 61080427 is about 7815.3967909505. The cubic root of 61080427 is about 393.8226481558.

The spelling of 61080427 in words is "sixty-one million, eighty thousand, four hundred twenty-seven".