61194331 has 4 divisors (see below), whose sum is σ = 66757464. Its totient is φ = 55631200.

The previous prime is 61194319. The next prime is 61194349. The reversal of 61194331 is 13349116.

61194331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61194331 is a prime.

It is a super-2 number, since 2×61194331² = 7489492293075122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 61194331.

It is not an unprimeable number, because it can be changed into a prime (61194391) 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 3 ways as a sum of consecutive naturals, for example, 2781550 + ... + 2781571.

It is an arithmetic number, because the mean of its divisors is an integer number (16689366).

Almost surely, 2^61194331 is an apocalyptic number.

61194331 is a deficient number, since it is larger than the sum of its proper divisors (5563133).

61194331 is a wasteful number, since it uses less digits than its factorization.

61194331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5563132.

The product of its digits is 1944, while the sum is 28.

The square root of 61194331 is about 7822.6805508087. The cubic root of 61194331 is about 394.0672989217.

The spelling of 61194331 in words is "sixty-one million, one hundred ninety-four thousand, three hundred thirty-one".