61046081 has 4 divisors (see below), whose sum is σ = 61178964. Its totient is φ = 60913200.

The previous prime is 61046059. The next prime is 61046101. The reversal of 61046081 is 18064016.

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

It can be written as a sum of positive squares in 2 ways, for example, as 10137856 + 50908225 = 3184^2 + 7135^2 .

It is a cyclic number.

It is not a de Polignac number, because 61046081 - 2⁶ = 61046017 is a prime.

It is a super-2 number, since 2×61046081² = 7453248010917122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 61046081.

It is not an unprimeable number, because it can be changed into a prime (61046021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65750 + ... + 66671.

It is an arithmetic number, because the mean of its divisors is an integer number (15294741).

Almost surely, 2^61046081 is an apocalyptic number.

It is an amenable number.

61046081 is a deficient number, since it is larger than the sum of its proper divisors (132883).

61046081 is a wasteful number, since it uses less digits than its factorization.

61046081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132882.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 61046081 is about 7813.1991527159. The cubic root of 61046081 is about 393.7488178011.

The spelling of 61046081 in words is "sixty-one million, forty-six thousand, eighty-one".