61352565 has 16 divisors (see below), whose sum is σ = 101331456. Its totient is φ = 31665600.

The previous prime is 61352563. The next prime is 61352567. The reversal of 61352565 is 56525316.

61352565 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (61352563) and next prime (61352567).

It is not a de Polignac number, because 61352565 - 2¹ = 61352563 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61352561) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 65506 + ... + 66435.

It is an arithmetic number, because the mean of its divisors is an integer number (6333216).

Almost surely, 2^61352565 is an apocalyptic number.

It is an amenable number.

61352565 is a deficient number, since it is larger than the sum of its proper divisors (39978891).

61352565 is a wasteful number, since it uses less digits than its factorization.

61352565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131980.

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

The square root of 61352565 is about 7832.7878178845. The cubic root of 61352565 is about 394.4066613872.

The spelling of 61352565 in words is "sixty-one million, three hundred fifty-two thousand, five hundred sixty-five".