61448377 has 2 divisors, whose sum is σ = 61448378. Its totient is φ = 61448376.

The previous prime is 61448369. The next prime is 61448449. The reversal of 61448377 is 77384416.

61448377 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60777616 + 670761 = 7796^2 + 819^2 .

It is a cyclic number.

It is not a de Polignac number, because 61448377 - 2³ = 61448369 is a prime.

It is not a weakly prime, because it can be changed into another prime (61448347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30724188 + 30724189.

It is an arithmetic number, because the mean of its divisors is an integer number (30724189).

Almost surely, 2^61448377 is an apocalyptic number.

It is an amenable number.

61448377 is a deficient number, since it is larger than the sum of its proper divisors (1).

61448377 is an equidigital number, since it uses as much as digits as its factorization.

61448377 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 112896, while the sum is 40.

The square root of 61448377 is about 7838.9015174321. The cubic root of 61448377 is about 394.6118646357.

The spelling of 61448377 in words is "sixty-one million, four hundred forty-eight thousand, three hundred seventy-seven".