61036500 has 96 divisors (see below), whose sum is σ = 203164416. Its totient is φ = 13948800.

The previous prime is 61036483. The next prime is 61036513. The reversal of 61036500 is 563016.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7594 + ... + 13406.

It is an arithmetic number, because the mean of its divisors is an integer number (2116296).

Almost surely, 2^61036500 is an apocalyptic number.

61036500 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61036500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101582208).

61036500 is an abundant number, since it is smaller than the sum of its proper divisors (142127916).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61036500 is a wasteful number, since it uses less digits than its factorization.

61036500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5842 (or 5830 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 61036500 is about 7812.5859995267. The cubic root of 61036500 is about 393.7282174899.

Adding to 61036500 its reverse (563016), we get a palindrome (61599516).

The spelling of 61036500 in words is "sixty-one million, thirty-six thousand, five hundred".