61010500 has 24 divisors (see below), whose sum is σ = 133248024. Its totient is φ = 24404000.

The previous prime is 61010483. The next prime is 61010503. The reversal of 61010500 is 501016.

It can be written as a sum of positive squares in 4 ways, for example, as 5299204 + 55711296 = 2302^2 + 7464^2 .

It is a super-2 number, since 2×61010500² = 7444562220500000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (61010503) 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, 60511 + ... + 61510.

It is an arithmetic number, because the mean of its divisors is an integer number (5552001).

Almost surely, 2^61010500 is an apocalyptic number.

It is an amenable number.

61010500 is an abundant number, since it is smaller than the sum of its proper divisors (72237524).

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

61010500 is a wasteful number, since it uses less digits than its factorization.

61010500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122040 (or 122028 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 61010500 is about 7810.9218406024. The cubic root of 61010500 is about 393.6723034736.

Adding to 61010500 its reverse (501016), we get a palindrome (61511516).

The spelling of 61010500 in words is "sixty-one million, ten thousand, five hundred".