61011536 has 10 divisors (see below), whose sum is σ = 118209882. Its totient is φ = 30505760.

The previous prime is 61011523. The next prime is 61011541. The reversal of 61011536 is 63511016.

It is a happy number.

61011536 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., 50410000 + 10601536 = 7100^2 + 3256^2 .

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, 1906595 + ... + 1906626.

Almost surely, 2^61011536 is an apocalyptic number.

It is an amenable number.

61011536 is a deficient number, since it is larger than the sum of its proper divisors (57198346).

61011536 is a wasteful number, since it uses less digits than its factorization.

61011536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3813229 (or 3813223 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 61011536 is about 7810.9881577173. The cubic root of 61011536 is about 393.6745317360.

The spelling of 61011536 in words is "sixty-one million, eleven thousand, five hundred thirty-six".