65534250 has 64 divisors (see below), whose sum is σ = 166458240. Its totient is φ = 17168000.

The previous prime is 65534243. The next prime is 65534251. The reversal of 65534250 is 5243556.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (65534251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43510 + ... + 44990.

It is an arithmetic number, because the mean of its divisors is an integer number (2600910).

Almost surely, 2^65534250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65534250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83229120).

65534250 is an abundant number, since it is smaller than the sum of its proper divisors (100923990).

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

65534250 is a wasteful number, since it uses less digits than its factorization.

65534250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1560 (or 1550 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 65534250 is about 8095.3227236473. The cubic root of 65534250 is about 403.1711472921.

The spelling of 65534250 in words is "sixty-five million, five hundred thirty-four thousand, two hundred fifty".