61241812 has 6 divisors (see below), whose sum is σ = 107173178. Its totient is φ = 30620904.

The previous prime is 61241783. The next prime is 61241839. The reversal of 61241812 is 21814216.

It can be written as a sum of positive squares in only one way, i.e., 42458256 + 18783556 = 6516^2 + 4334^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7655223 + ... + 7655230.

Almost surely, 2^61241812 is an apocalyptic number.

It is an amenable number.

61241812 is a deficient number, since it is larger than the sum of its proper divisors (45931366).

61241812 is a wasteful number, since it uses less digits than its factorization.

61241812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15310457 (or 15310455 counting only the distinct ones).

The product of its digits is 768, while the sum is 25.

The square root of 61241812 is about 7825.7147916341. The cubic root of 61241812 is about 394.1691921960.

It can be divided in two parts, 612 and 41812, that added together give a palindrome (42424).

The spelling of 61241812 in words is "sixty-one million, two hundred forty-one thousand, eight hundred twelve".