65954425 has 6 divisors (see below), whose sum is σ = 81783518. Its totient is φ = 52763520.

The previous prime is 65954423. The next prime is 65954437. The reversal of 65954425 is 52445956.

It can be written as a sum of positive squares in 3 ways, for example, as 1617984 + 64336441 = 1272^2 + 8021^2 .

It is not a de Polignac number, because 65954425 - 2¹ = 65954423 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65954423) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1319064 + ... + 1319113.

Almost surely, 2^65954425 is an apocalyptic number.

It is an amenable number.

65954425 is a deficient number, since it is larger than the sum of its proper divisors (15829093).

65954425 is a wasteful number, since it uses less digits than its factorization.

65954425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2638187 (or 2638182 counting only the distinct ones).

The product of its digits is 216000, while the sum is 40.

The square root of 65954425 is about 8121.2329728927. The cubic root of 65954425 is about 404.0309606864.

The spelling of 65954425 in words is "sixty-five million, nine hundred fifty-four thousand, four hundred twenty-five".