61285063 has 8 divisors (see below), whose sum is σ = 70201728. Its totient is φ = 52408824.

The previous prime is 61285057. The next prime is 61285079. The reversal of 61285063 is 36058216.

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 61285063 - 2⁵ = 61285031 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 (61285043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6781 + ... + 12982.

It is an arithmetic number, because the mean of its divisors is an integer number (8775216).

Almost surely, 2^61285063 is an apocalyptic number.

61285063 is a deficient number, since it is larger than the sum of its proper divisors (8916665).

61285063 is a wasteful number, since it uses less digits than its factorization.

61285063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20213.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 61285063 is about 7828.4776936516. The cubic root of 61285063 is about 394.2619621485.

The spelling of 61285063 in words is "sixty-one million, two hundred eighty-five thousand, sixty-three".