61232165 has 4 divisors (see below), whose sum is σ = 73478604. Its totient is φ = 48985728.

The previous prime is 61232153. The next prime is 61232173. The reversal of 61232165 is 56123216.

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

It can be written as a sum of positive squares in 2 ways, for example, as 47087044 + 14145121 = 6862^2 + 3761^2 .

It is a cyclic number.

It is not a de Polignac number, because 61232165 - 2¹⁰ = 61231141 is a prime.

It is an alternating number because its digits alternate between even and odd.

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, 6123212 + ... + 6123221.

It is an arithmetic number, because the mean of its divisors is an integer number (18369651).

Almost surely, 2^61232165 is an apocalyptic number.

It is an amenable number.

61232165 is a deficient number, since it is larger than the sum of its proper divisors (12246439).

61232165 is a wasteful number, since it uses less digits than its factorization.

61232165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12246438.

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

The square root of 61232165 is about 7825.0984019372. The cubic root of 61232165 is about 394.1484941917.

The spelling of 61232165 in words is "sixty-one million, two hundred thirty-two thousand, one hundred sixty-five".