61233965 has 8 divisors (see below), whose sum is σ = 79133208. Its totient is φ = 45218880.

The previous prime is 61233961. The next prime is 61234037. The reversal of 61233965 is 56933216.

It can be written as a sum of positive squares in 4 ways, for example, as 2696164 + 58537801 = 1642^2 + 7651^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 61233965 - 2² = 61233961 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61233961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 470966 + ... + 471095.

It is an arithmetic number, because the mean of its divisors is an integer number (9891651).

Almost surely, 2^61233965 is an apocalyptic number.

61233965 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

61233965 is a deficient number, since it is larger than the sum of its proper divisors (17899243).

61233965 is a wasteful number, since it uses less digits than its factorization.

61233965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 942079.

The product of its digits is 29160, while the sum is 35.

The square root of 61233965 is about 7825.2134156200. The cubic root of 61233965 is about 394.1523563249.

The spelling of 61233965 in words is "sixty-one million, two hundred thirty-three thousand, nine hundred sixty-five".