61535194 has 16 divisors (see below), whose sum is σ = 106262208. Its totient is φ = 26178912.

The previous prime is 61535191. The next prime is 61535197. The reversal of 61535194 is 49153516.

It is an interprime number because it is at equal distance from previous prime (61535191) and next prime (61535197).

It is not an unprimeable number, because it can be changed into a prime (61535191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14124 + ... + 17959.

It is an arithmetic number, because the mean of its divisors is an integer number (6641388).

Almost surely, 2^61535194 is an apocalyptic number.

61535194 is a deficient number, since it is larger than the sum of its proper divisors (44727014).

61535194 is a wasteful number, since it uses less digits than its factorization.

61535194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32229.

The product of its digits is 16200, while the sum is 34.

The square root of 61535194 is about 7844.4371372330. The cubic root of 61535194 is about 394.7976189135.

The spelling of 61535194 in words is "sixty-one million, five hundred thirty-five thousand, one hundred ninety-four".