61475895 has 64 divisors (see below), whose sum is σ = 122895360. Its totient is φ = 28930176.

The previous prime is 61475881. The next prime is 61475903. The reversal of 61475895 is 59857416.

61475895 is a `hidden beast` number, since 61 + 4 + 7 + 589 + 5 = 666.

61475895 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 61475895 - 2⁴ = 61475879 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 61475895.

It is a congruent number.

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 63 ways as a sum of consecutive naturals, for example, 39604 + ... + 41126.

It is an arithmetic number, because the mean of its divisors is an integer number (1920240).

Almost surely, 2^61475895 is an apocalyptic number.

61475895 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

61475895 is a deficient number, since it is larger than the sum of its proper divisors (61419465).

61475895 is a wasteful number, since it uses less digits than its factorization.

61475895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1573 (or 1567 counting only the distinct ones).

The product of its digits is 302400, while the sum is 45.

The square root of 61475895 is about 7840.6565413873. The cubic root of 61475895 is about 394.6707612752.

The spelling of 61475895 in words is "sixty-one million, four hundred seventy-five thousand, eight hundred ninety-five".