61425449 has 2 divisors, whose sum is σ = 61425450. Its totient is φ = 61425448.

The previous prime is 61425443. The next prime is 61425487. The reversal of 61425449 is 94452416.

61425449 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., 60171049 + 1254400 = 7757^2 + 1120^2 .

It is a cyclic number.

It is not a de Polignac number, because 61425449 - 2¹⁶ = 61359913 is a prime.

It is a Chen prime.

It is equal to p_3641588 and since 61425449 and 3641588 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 (61425443) 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, 30712724 + 30712725.

It is an arithmetic number, because the mean of its divisors is an integer number (30712725).

Almost surely, 2^61425449 is an apocalyptic number.

It is an amenable number.

61425449 is a deficient number, since it is larger than the sum of its proper divisors (1).

61425449 is an equidigital number, since it uses as much as digits as its factorization.

61425449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34560, while the sum is 35.

The square root of 61425449 is about 7837.4389311815. The cubic root of 61425449 is about 394.5627785203.

The spelling of 61425449 in words is "sixty-one million, four hundred twenty-five thousand, four hundred forty-nine".