61845086 has 4 divisors (see below), whose sum is σ = 92767632. Its totient is φ = 30922542.

The previous prime is 61845083. The next prime is 61845101. The reversal of 61845086 is 68054816.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61845083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15461270 + ... + 15461273.

It is an arithmetic number, because the mean of its divisors is an integer number (23191908).

Almost surely, 2^61845086 is an apocalyptic number.

61845086 is a deficient number, since it is larger than the sum of its proper divisors (30922546).

61845086 is a wasteful number, since it uses less digits than its factorization.

61845086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30922545.

The product of its (nonzero) digits is 46080, while the sum is 38.

The square root of 61845086 is about 7864.1646727418. The cubic root of 61845086 is about 395.4592447361.

The spelling of 61845086 in words is "sixty-one million, eight hundred forty-five thousand, eighty-six".