61084427 has 2 divisors, whose sum is σ = 61084428. Its totient is φ = 61084426.

The previous prime is 61084409. The next prime is 61084433. The reversal of 61084427 is 72448016.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61084427 - 2¹⁰ = 61083403 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 61084393 and 61084402.

It is not a weakly prime, because it can be changed into another prime (61084627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30542213 + 30542214.

It is an arithmetic number, because the mean of its divisors is an integer number (30542214).

Almost surely, 2^61084427 is an apocalyptic number.

61084427 is a deficient number, since it is larger than the sum of its proper divisors (1).

61084427 is an equidigital number, since it uses as much as digits as its factorization.

61084427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 61084427 is about 7815.6526918742. The cubic root of 61084427 is about 393.8312447788.

The spelling of 61084427 in words is "sixty-one million, eighty-four thousand, four hundred twenty-seven".