61565325 has 24 divisors (see below), whose sum is σ = 102020256. Its totient is φ = 32760000.

The previous prime is 61565311. The next prime is 61565327. The reversal of 61565325 is 52356516.

It is not a de Polignac number, because 61565325 - 2⁸ = 61565069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61565327) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51990 + ... + 53160.

It is an arithmetic number, because the mean of its divisors is an integer number (4250844).

Almost surely, 2^61565325 is an apocalyptic number.

It is an amenable number.

61565325 is a deficient number, since it is larger than the sum of its proper divisors (40454931).

61565325 is a wasteful number, since it uses less digits than its factorization.

61565325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1885 (or 1880 counting only the distinct ones).

The product of its digits is 27000, while the sum is 33.

The square root of 61565325 is about 7846.3574351415. The cubic root of 61565325 is about 394.8620465753.

The spelling of 61565325 in words is "sixty-one million, five hundred sixty-five thousand, three hundred twenty-five".