65454625 has 8 divisors (see below), whose sum is σ = 81687528. Its totient is φ = 52363600.

The previous prime is 65454617. The next prime is 65454667. The reversal of 65454625 is 52645456.

It can be written as a sum of positive squares in 4 ways, for example, as 10679824 + 54774801 = 3268^2 + 7401^2 .

It is not a de Polignac number, because 65454625 - 2³ = 65454617 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 261694 + ... + 261943.

It is an arithmetic number, because the mean of its divisors is an integer number (10210941).

Almost surely, 2^65454625 is an apocalyptic number.

It is an amenable number.

65454625 is a deficient number, since it is larger than the sum of its proper divisors (16232903).

65454625 is an equidigital number, since it uses as much as digits as its factorization.

65454625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523652 (or 523642 counting only the distinct ones).

The product of its digits is 144000, while the sum is 37.

The square root of 65454625 is about 8090.4032655981. The cubic root of 65454625 is about 403.0077949837.

The spelling of 65454625 in words is "sixty-five million, four hundred fifty-four thousand, six hundred twenty-five".