61046591 has 8 divisors (see below), whose sum is σ = 61603200. Its totient is φ = 60492960.

The previous prime is 61046569. The next prime is 61046599. The reversal of 61046591 is 19564016.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61046591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61046599) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61106 + ... + 62096.

It is an arithmetic number, because the mean of its divisors is an integer number (7700400).

Almost surely, 2^61046591 is an apocalyptic number.

61046591 is a deficient number, since it is larger than the sum of its proper divisors (556609).

61046591 is a wasteful number, since it uses less digits than its factorization.

61046591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1489.

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

The square root of 61046591 is about 7813.2317897270. The cubic root of 61046591 is about 393.7499143025.

The spelling of 61046591 in words is "sixty-one million, forty-six thousand, five hundred ninety-one".