65424525 has 48 divisors (see below), whose sum is σ = 111957120. Its totient is φ = 33696000.

The previous prime is 65424521. The next prime is 65424533. The reversal of 65424525 is 52542456.

It is not a de Polignac number, because 65424525 - 2² = 65424521 is a prime.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65424521) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 433200 + ... + 433350.

It is an arithmetic number, because the mean of its divisors is an integer number (2332440).

Almost surely, 2^65424525 is an apocalyptic number.

It is an amenable number.

65424525 is a deficient number, since it is larger than the sum of its proper divisors (46532595).

65424525 is a wasteful number, since it uses less digits than its factorization.

65424525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326 (or 321 counting only the distinct ones).

The product of its digits is 48000, while the sum is 33.

The square root of 65424525 is about 8088.5428230306. The cubic root of 65424525 is about 402.9460097162.

The spelling of 65424525 in words is "sixty-five million, four hundred twenty-four thousand, five hundred twenty-five".