65353625 has 8 divisors (see below), whose sum is σ = 81561480. Its totient is φ = 52282800.

The previous prime is 65353621. The next prime is 65353637. The reversal of 65353625 is 52635356.

It can be written as a sum of positive squares in 4 ways, for example, as 1784896 + 63568729 = 1336^2 + 7973^2 .

It is not a de Polignac number, because 65353625 - 2² = 65353621 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65353621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 261290 + ... + 261539.

It is an arithmetic number, because the mean of its divisors is an integer number (10195185).

Almost surely, 2^65353625 is an apocalyptic number.

It is an amenable number.

65353625 is a deficient number, since it is larger than the sum of its proper divisors (16207855).

65353625 is an equidigital number, since it uses as much as digits as its factorization.

65353625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522844 (or 522834 counting only the distinct ones).

The product of its digits is 81000, while the sum is 35.

The square root of 65353625 is about 8084.1588925503. The cubic root of 65353625 is about 402.8004007199.

The spelling of 65353625 in words is "sixty-five million, three hundred fifty-three thousand, six hundred twenty-five".