61604195 has 8 divisors (see below), whose sum is σ = 74160144. Its totient is φ = 49126624.

The previous prime is 61604183. The next prime is 61604203. The reversal of 61604195 is 59140616.

61604195 is nontrivially palindromic in base 15.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61604195 - 2⁸ = 61603939 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17849 + ... + 21018.

It is an arithmetic number, because the mean of its divisors is an integer number (9270018).

Almost surely, 2^61604195 is an apocalyptic number.

61604195 is a deficient number, since it is larger than the sum of its proper divisors (12555949).

61604195 is a wasteful number, since it uses less digits than its factorization.

61604195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39189.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 61604195 is about 7848.8339898357. The cubic root of 61604195 is about 394.9451293754.

The spelling of 61604195 in words is "sixty-one million, six hundred four thousand, one hundred ninety-five".