61893135 has 24 divisors (see below), whose sum is σ = 109309824. Its totient is φ = 32385600.

The previous prime is 61893133. The next prime is 61893137. The reversal of 61893135 is 53139816.

It is a happy number.

61893135 is a `hidden beast` number, since 618 + 9 + 3 + 1 + 35 = 666.

61893135 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 (61893133) and next prime (61893137).

It is not a de Polignac number, because 61893135 - 2¹ = 61893133 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 61893135.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61893133) 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 in 23 ways as a sum of consecutive naturals, for example, 10591 + ... + 15360.

It is an arithmetic number, because the mean of its divisors is an integer number (4554576).

Almost surely, 2^61893135 is an apocalyptic number.

61893135 is a deficient number, since it is larger than the sum of its proper divisors (47416689).

61893135 is a wasteful number, since it uses less digits than its factorization.

61893135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26015 (or 26012 counting only the distinct ones).

The product of its digits is 19440, while the sum is 36.

The square root of 61893135 is about 7867.2190130948. The cubic root of 61893135 is about 395.5616322968.

The spelling of 61893135 in words is "sixty-one million, eight hundred ninety-three thousand, one hundred thirty-five".