65052500 has 30 divisors (see below), whose sum is σ = 142262274. Its totient is φ = 26020000.

The previous prime is 65052497. The next prime is 65052509. The reversal of 65052500 is 525056.

It can be written as a sum of positive squares in 5 ways, for example, as 7474756 + 57577744 = 2734^2 + 7588^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65052509) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 10511 + ... + 15510.

Almost surely, 2^65052500 is an apocalyptic number.

It is an amenable number.

65052500 is an abundant number, since it is smaller than the sum of its proper divisors (77209774).

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

65052500 is a wasteful number, since it uses less digits than its factorization.

65052500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26045 (or 26028 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 65052500 is about 8065.5130029032. The cubic root of 65052500 is about 402.1807970365.

Adding to 65052500 its reverse (525056), we get a palindrome (65577556).

The spelling of 65052500 in words is "sixty-five million, fifty-two thousand, five hundred".