61408327 has 2 divisors, whose sum is σ = 61408328. Its totient is φ = 61408326.

The previous prime is 61408307. The next prime is 61408339. The reversal of 61408327 is 72380416.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61408327 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61408307) 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, 30704163 + 30704164.

It is an arithmetic number, because the mean of its divisors is an integer number (30704164).

Almost surely, 2^61408327 is an apocalyptic number.

61408327 is a deficient number, since it is larger than the sum of its proper divisors (1).

61408327 is an equidigital number, since it uses as much as digits as its factorization.

61408327 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 61408327 is about 7836.3465339404. The cubic root of 61408327 is about 394.5261143916.

The spelling of 61408327 in words is "sixty-one million, four hundred eight thousand, three hundred twenty-seven".