61418512 has 10 divisors (see below), whose sum is σ = 118998398. Its totient is φ = 30709248.

The previous prime is 61418509. The next prime is 61418537. The reversal of 61418512 is 21581416.

It can be written as a sum of positive squares in only one way, i.e., 33918976 + 27499536 = 5824^2 + 5244^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1919313 + ... + 1919344.

Almost surely, 2^61418512 is an apocalyptic number.

It is an amenable number.

61418512 is a deficient number, since it is larger than the sum of its proper divisors (57579886).

61418512 is a wasteful number, since it uses less digits than its factorization.

61418512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3838665 (or 3838659 counting only the distinct ones).

The product of its digits is 1920, while the sum is 28.

The square root of 61418512 is about 7836.9963634035. The cubic root of 61418512 is about 394.5479248232.

Adding to 61418512 its reverse (21581416), we get a palindrome (82999928).

The spelling of 61418512 in words is "sixty-one million, four hundred eighteen thousand, five hundred twelve".