61330250 has 16 divisors (see below), whose sum is σ = 114810696. Its totient is φ = 24532000.

The previous prime is 61330231. The next prime is 61330261. The reversal of 61330250 is 5203316.

It can be written as a sum of positive squares in 4 ways, for example, as 12623809 + 48706441 = 3553^2 + 6979^2 .

It is a super-2 number, since 2×61330250² = 7522799130125000, which contains 22 as substring.

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, 122411 + ... + 122910.

Almost surely, 2^61330250 is an apocalyptic number.

61330250 is a deficient number, since it is larger than the sum of its proper divisors (53480446).

61330250 is a wasteful number, since it uses less digits than its factorization.

61330250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245338 (or 245328 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 61330250 is about 7831.3632274337. The cubic root of 61330250 is about 394.3588380570.

Adding to 61330250 its reverse (5203316), we get a palindrome (66533566).

The spelling of 61330250 in words is "sixty-one million, three hundred thirty thousand, two hundred fifty".