65345456 has 20 divisors (see below), whose sum is σ = 138116904. Its totient is φ = 29702400.

The previous prime is 65345453. The next prime is 65345459. The reversal of 65345456 is 65454356.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (65345453) and next prime (65345459).

It is not an unprimeable number, because it can be changed into a prime (65345453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185465 + ... + 185816.

Almost surely, 2^65345456 is an apocalyptic number.

It is an amenable number.

65345456 is an abundant number, since it is smaller than the sum of its proper divisors (72771448).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65345456 is a wasteful number, since it uses less digits than its factorization.

65345456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371300 (or 371294 counting only the distinct ones).

The product of its digits is 216000, while the sum is 38.

The square root of 65345456 is about 8083.6536293931. The cubic root of 65345456 is about 402.7836170878.

Subtracting 65345456 from its reverse (65454356), we obtain a square (108900 = 330²).

The spelling of 65345456 in words is "sixty-five million, three hundred forty-five thousand, four hundred fifty-six".