61600265 has 16 divisors (see below), whose sum is σ = 78528528. Its totient is φ = 46227456.

The previous prime is 61600249. The next prime is 61600267. The reversal of 61600265 is 56200616.

It can be written as a sum of positive squares in 8 ways, for example, as 87616 + 61512649 = 296^2 + 7843^2 .

It is a cyclic number.

It is not a de Polignac number, because 61600265 - 2⁴ = 61600249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61600267) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28979 + ... + 31031.

It is an arithmetic number, because the mean of its divisors is an integer number (4908033).

Almost surely, 2^61600265 is an apocalyptic number.

It is an amenable number.

61600265 is a deficient number, since it is larger than the sum of its proper divisors (16928263).

61600265 is a wasteful number, since it uses less digits than its factorization.

61600265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2428.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 61600265 is about 7848.5836301845. The cubic root of 61600265 is about 394.9367307733.

The spelling of 61600265 in words is "sixty-one million, six hundred thousand, two hundred sixty-five".