61382563 has 8 divisors (see below), whose sum is σ = 70902000. Its totient is φ = 52519680.

The previous prime is 61382527. The next prime is 61382591. The reversal of 61382563 is 36528316.

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 61382563 - 2²⁵ = 27828131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61382063) 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, 163938 + ... + 164311.

It is an arithmetic number, because the mean of its divisors is an integer number (8862750).

Almost surely, 2^61382563 is an apocalyptic number.

61382563 is a deficient number, since it is larger than the sum of its proper divisors (9519437).

61382563 is a wasteful number, since it uses less digits than its factorization.

61382563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328277.

The product of its digits is 25920, while the sum is 34.

The square root of 61382563 is about 7834.7024831834. The cubic root of 61382563 is about 394.4709319044.

The spelling of 61382563 in words is "sixty-one million, three hundred eighty-two thousand, five hundred sixty-three".