61269085 has 4 divisors (see below), whose sum is σ = 73522908. Its totient is φ = 49015264.

The previous prime is 61269073. The next prime is 61269097. The reversal of 61269085 is 58096216.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (61269073) and next prime (61269097).

It can be written as a sum of positive squares in 2 ways, for example, as 47527236 + 13741849 = 6894^2 + 3707^2 .

It is a cyclic number.

It is not a de Polignac number, because 61269085 - 2⁷ = 61268957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6126904 + ... + 6126913.

It is an arithmetic number, because the mean of its divisors is an integer number (18380727).

Almost surely, 2^61269085 is an apocalyptic number.

It is an amenable number.

61269085 is a deficient number, since it is larger than the sum of its proper divisors (12253823).

61269085 is a wasteful number, since it uses less digits than its factorization.

61269085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12253822.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 61269085 is about 7827.4571222077. The cubic root of 61269085 is about 394.2276956956.

The spelling of 61269085 in words is "sixty-one million, two hundred sixty-nine thousand, eighty-five".