61087412 has 6 divisors (see below), whose sum is σ = 106902978. Its totient is φ = 30543704.

The previous prime is 61087387. The next prime is 61087423. The reversal of 61087412 is 21478016.

61087412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 56942116 + 4145296 = 7546^2 + 2036^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7635923 + ... + 7635930.

It is an arithmetic number, because the mean of its divisors is an integer number (17817163).

Almost surely, 2^61087412 is an apocalyptic number.

It is an amenable number.

61087412 is a deficient number, since it is larger than the sum of its proper divisors (45815566).

61087412 is a wasteful number, since it uses less digits than its factorization.

61087412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15271857 (or 15271855 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 61087412 is about 7815.8436524792. The cubic root of 61087412 is about 393.8376597641.

The spelling of 61087412 in words is "sixty-one million, eighty-seven thousand, four hundred twelve".