61535150 has 24 divisors (see below), whose sum is σ = 117121224. Its totient is φ = 24040800.

The previous prime is 61535147. The next prime is 61535179. The reversal of 61535150 is 5153516.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 in 11 ways as a sum of consecutive naturals, for example, 12161 + ... + 16460.

It is an arithmetic number, because the mean of its divisors is an integer number (4880051).

Almost surely, 2^61535150 is an apocalyptic number.

61535150 is a deficient number, since it is larger than the sum of its proper divisors (55586074).

61535150 is a wasteful number, since it uses less digits than its factorization.

61535150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28676 (or 28671 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 26.

The square root of 61535150 is about 7844.4343326973. The cubic root of 61535150 is about 394.7975248150.

Adding to 61535150 its reverse (5153516), we get a palindrome (66688666).

The spelling of 61535150 in words is "sixty-one million, five hundred thirty-five thousand, one hundred fifty".