61512332 has 12 divisors (see below), whose sum is σ = 123024720. Its totient is φ = 26362416.

The previous prime is 61512289. The next prime is 61512337. The reversal of 61512332 is 23321516.

61512332 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

61512332 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 61512298 and 61512307.

It is not an unprimeable number, because it can be changed into a prime (61512337) 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 in 3 ways as a sum of consecutive naturals, for example, 1098407 + ... + 1098462.

It is an arithmetic number, because the mean of its divisors is an integer number (10252060).

Almost surely, 2^61512332 is an apocalyptic number.

It is an amenable number.

61512332 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61512332 is a wasteful number, since it uses less digits than its factorization.

61512332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2196880 (or 2196878 counting only the distinct ones).

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

The square root of 61512332 is about 7842.9797908703. The cubic root of 61512332 is about 394.7487201690.

Adding to 61512332 its reverse (23321516), we get a palindrome (84833848).

The spelling of 61512332 in words is "sixty-one million, five hundred twelve thousand, three hundred thirty-two".