61250312 has 12 divisors (see below), whose sum is σ = 114885855. Its totient is φ = 30614088.

The previous prime is 61250309. The next prime is 61250317. The reversal of 61250312 is 21305216.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 30625156 + 30625156 = 5534^2 + 5534^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=5534.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61250317) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 20753 + ... + 23519.

Almost surely, 2^61250312 is an apocalyptic number.

It is an amenable number.

61250312 is a deficient number, since it is larger than the sum of its proper divisors (53635543).

61250312 is an frugal number, since it uses more digits than its factorization.

61250312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5540 (or 2769 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 61250312 is about 7826.2578541727. The cubic root of 61250312 is about 394.1874274672.

Adding to 61250312 its reverse (21305216), we get a palindrome (82555528).

The spelling of 61250312 in words is "sixty-one million, two hundred fifty thousand, three hundred twelve".