65225525 has 6 divisors (see below), whose sum is σ = 80879682. Its totient is φ = 52180400.

The previous prime is 65225513. The next prime is 65225533. The reversal of 65225525 is 52552256.

It can be written as a sum of positive squares in 3 ways, for example, as 13010449 + 52215076 = 3607^2 + 7226^2 .

It is not a de Polignac number, because 65225525 - 2⁴ = 65225509 is a prime.

It is a super-2 number, since 2×65225525² = 8508738223051250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 65225491 and 65225500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1304486 + ... + 1304535.

It is an arithmetic number, because the mean of its divisors is an integer number (13479947).

Almost surely, 2^65225525 is an apocalyptic number.

It is an amenable number.

65225525 is a deficient number, since it is larger than the sum of its proper divisors (15654157).

65225525 is a wasteful number, since it uses less digits than its factorization.

65225525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2609031 (or 2609026 counting only the distinct ones).

The product of its digits is 30000, while the sum is 32.

The square root of 65225525 is about 8076.2321041436. The cubic root of 65225525 is about 402.5370514868.

The spelling of 65225525 in words is "sixty-five million, two hundred twenty-five thousand, five hundred twenty-five".