65052620 has 12 divisors (see below), whose sum is σ = 136610544. Its totient is φ = 26021040.

The previous prime is 65052607. The next prime is 65052641. The reversal of 65052620 is 2625056.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 65052620.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1626296 + ... + 1626335.

It is an arithmetic number, because the mean of its divisors is an integer number (11384212).

Almost surely, 2^65052620 is an apocalyptic number.

It is an amenable number.

65052620 is an abundant number, since it is smaller than the sum of its proper divisors (71557924).

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

65052620 is a wasteful number, since it uses less digits than its factorization.

65052620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3252640 (or 3252638 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 65052620 is about 8065.5204419802. The cubic root of 65052620 is about 402.1810443325.

Adding to 65052620 its reverse (2625056), we get a palindrome (67677676).

The spelling of 65052620 in words is "sixty-five million, fifty-two thousand, six hundred twenty".