61266500 has 24 divisors (see below), whose sum is σ = 133807128. Its totient is φ = 24506400.

The previous prime is 61266493. The next prime is 61266547. The reversal of 61266500 is 566216.

61266500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 7214596 + 54051904 = 2686^2 + 7352^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 61266500.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60767 + ... + 61766.

It is an arithmetic number, because the mean of its divisors is an integer number (5575297).

Almost surely, 2^61266500 is an apocalyptic number.

It is an amenable number.

61266500 is an abundant number, since it is smaller than the sum of its proper divisors (72540628).

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

61266500 is a wasteful number, since it uses less digits than its factorization.

61266500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122552 (or 122540 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 61266500 is about 7827.2919965975. The cubic root of 61266500 is about 394.2221513392. Note that the first 3 decimals are identical.

The spelling of 61266500 in words is "sixty-one million, two hundred sixty-six thousand, five hundred".