65252530 has 32 divisors (see below), whose sum is σ = 134668800. Its totient is φ = 22299840.

The previous prime is 65252527. The next prime is 65252533. The reversal of 65252530 is 3525256.

It is an interprime number because it is at equal distance from previous prime (65252527) and next prime (65252533).

It is not an unprimeable number, because it can be changed into a prime (65252533) 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, 23095 + ... + 25765.

It is an arithmetic number, because the mean of its divisors is an integer number (4208400).

Almost surely, 2^65252530 is an apocalyptic number.

65252530 is an abundant number, since it is smaller than the sum of its proper divisors (69416270).

65252530 is a wasteful number, since it uses less digits than its factorization.

65252530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3034.

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 65252530 is about 8077.9038122523. The cubic root of 65252530 is about 402.5925972934.

Adding to 65252530 its reverse (3525256), we get a palindrome (68777786).

The spelling of 65252530 in words is "sixty-five million, two hundred fifty-two thousand, five hundred thirty".