61533625 has 32 divisors (see below), whose sum is σ = 84913920. Its totient is φ = 44281600.

The previous prime is 61533623. The next prime is 61533629. The reversal of 61533625 is 52633516.

It is not a de Polignac number, because 61533625 - 2¹ = 61533623 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61533623) 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 in 31 ways as a sum of consecutive naturals, for example, 48246 + ... + 49504.

It is an arithmetic number, because the mean of its divisors is an integer number (2653560).

Almost surely, 2^61533625 is an apocalyptic number.

It is an amenable number.

61533625 is a deficient number, since it is larger than the sum of its proper divisors (23380295).

61533625 is a wasteful number, since it uses less digits than its factorization.

61533625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1314 (or 1304 counting only the distinct ones).

The product of its digits is 16200, while the sum is 31.

The square root of 61533625 is about 7844.3371294202. The cubic root of 61533625 is about 394.7942634205.

The spelling of 61533625 in words is "sixty-one million, five hundred thirty-three thousand, six hundred twenty-five".