61533063 has 12 divisors (see below), whose sum is σ = 89021920. Its totient is φ = 40957056.

The previous prime is 61533037. The next prime is 61533067. The reversal of 61533063 is 36033516.

It is not a de Polignac number, because 61533063 - 2¹⁰ = 61532039 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 (61533067) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 978 + ... + 11136.

Almost surely, 2^61533063 is an apocalyptic number.

61533063 is a deficient number, since it is larger than the sum of its proper divisors (27488857).

61533063 is a wasteful number, since it uses less digits than its factorization.

61533063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10838 (or 10835 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 27.

The square root of 61533063 is about 7844.3013073186. The cubic root of 61533063 is about 394.7930615029.

Adding to 61533063 its reverse (36033516), we get a palindrome (97566579).

It can be divided in two parts, 6153 and 3063, that added together give a square (9216 = 96²).

The spelling of 61533063 in words is "sixty-one million, five hundred thirty-three thousand, sixty-three".