61269065 has 16 divisors (see below), whose sum is σ = 86377536. Its totient is φ = 41131200.

The previous prime is 61269049. The next prime is 61269073. The reversal of 61269065 is 56096216.

It is a happy number.

61269065 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 61269065 - 2⁴ = 61269049 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

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, 42131 + ... + 43560.

It is an arithmetic number, because the mean of its divisors is an integer number (5398596).

Almost surely, 2^61269065 is an apocalyptic number.

61269065 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

61269065 is a deficient number, since it is larger than the sum of its proper divisors (25108471).

61269065 is a wasteful number, since it uses less digits than its factorization.

61269065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85720.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 61269065 is about 7827.4558446535. The cubic root of 61269065 is about 394.2276527998.

The spelling of 61269065 in words is "sixty-one million, two hundred sixty-nine thousand, sixty-five".