61251332 has 6 divisors (see below), whose sum is σ = 107189838. Its totient is φ = 30625664.

The previous prime is 61251331. The next prime is 61251341. The reversal of 61251332 is 23315216.

61251332 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., 58767556 + 2483776 = 7666^2 + 1576^2 .

It is a junction number, because it is equal to n+sod(n) for n = 61251298 and 61251307.

It is not an unprimeable number, because it can be changed into a prime (61251331) by changing a digit.

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, 7656413 + ... + 7656420.

It is an arithmetic number, because the mean of its divisors is an integer number (17864973).

Almost surely, 2^61251332 is an apocalyptic number.

It is an amenable number.

61251332 is a deficient number, since it is larger than the sum of its proper divisors (45938506).

61251332 is a wasteful number, since it uses less digits than its factorization.

61251332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15312837 (or 15312835 counting only the distinct ones).

The product of its digits is 1080, while the sum is 23.

The square root of 61251332 is about 7826.3230191451. The cubic root of 61251332 is about 394.1896155863.

Adding to 61251332 its reverse (23315216), we get a palindrome (84566548).

The spelling of 61251332 in words is "sixty-one million, two hundred fifty-one thousand, three hundred thirty-two".