61535612 has 6 divisors (see below), whose sum is σ = 107687328. Its totient is φ = 30767804.

The previous prime is 61535611. The next prime is 61535627. The reversal of 61535612 is 21653516.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61535611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7691948 + ... + 7691955.

It is an arithmetic number, because the mean of its divisors is an integer number (17947888).

Almost surely, 2^61535612 is an apocalyptic number.

It is an amenable number.

61535612 is a deficient number, since it is larger than the sum of its proper divisors (46151716).

61535612 is a wasteful number, since it uses less digits than its factorization.

61535612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15383907 (or 15383905 counting only the distinct ones).

The product of its digits is 5400, while the sum is 29.

The square root of 61535612 is about 7844.4637802720. The cubic root of 61535612 is about 394.7985128465.

The spelling of 61535612 in words is "sixty-one million, five hundred thirty-five thousand, six hundred twelve".