61250500 has 24 divisors (see below), whose sum is σ = 133772184. Its totient is φ = 24500000.

The previous prime is 61250461. The next prime is 61250521. The reversal of 61250500 is 505216.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1898884 + 59351616 = 1378^2 + 7704^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60751 + ... + 61750.

It is an arithmetic number, because the mean of its divisors is an integer number (5573841).

Almost surely, 2^61250500 is an apocalyptic number.

It is an amenable number.

61250500 is an abundant number, since it is smaller than the sum of its proper divisors (72521684).

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

61250500 is a wasteful number, since it uses less digits than its factorization.

61250500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122520 (or 122508 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 61250500 is about 7826.2698650123. The cubic root of 61250500 is about 394.1878307694.

Adding to 61250500 its reverse (505216), we get a palindrome (61755716).

The spelling of 61250500 in words is "sixty-one million, two hundred fifty thousand, five hundred".