61905465 has 24 divisors (see below), whose sum is σ = 111279168. Its totient is φ = 33015600.

The previous prime is 61905451. The next prime is 61905479. The reversal of 61905465 is 56450916.

61905465 is a `hidden beast` number, since 6 + 190 + 5 + 465 = 666.

61905465 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (61905451) and next prime (61905479).

It is not a de Polignac number, because 61905465 - 2⁵ = 61905433 is a prime.

It is an unprimeable number.

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 in 23 ways as a sum of consecutive naturals, for example, 24261 + ... + 26690.

It is an arithmetic number, because the mean of its divisors is an integer number (4636632).

Almost surely, 2^61905465 is an apocalyptic number.

It is an amenable number.

61905465 is a deficient number, since it is larger than the sum of its proper divisors (49373703).

61905465 is an equidigital number, since it uses as much as digits as its factorization.

61905465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50971 (or 50959 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 61905465 is about 7868.0026054902. The cubic root of 61905465 is about 395.5878977358.

The spelling of 61905465 in words is "sixty-one million, nine hundred five thousand, four hundred sixty-five".