65205460 has 48 divisors (see below), whose sum is σ = 143740800. Its totient is φ = 24799104.

The previous prime is 65205449. The next prime is 65205461. The reversal of 65205460 is 6450256.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65205461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105031 + ... + 105649.

It is an arithmetic number, because the mean of its divisors is an integer number (2994600).

Almost surely, 2^65205460 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65205460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71870400).

65205460 is an abundant number, since it is smaller than the sum of its proper divisors (78535340).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65205460 is a wasteful number, since it uses less digits than its factorization.

65205460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880 (or 878 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 65205460 is about 8074.9897832753. The cubic root of 65205460 is about 402.4957704377.

The spelling of 65205460 in words is "sixty-five million, two hundred five thousand, four hundred sixty".