65345457 has 8 divisors (see below), whose sum is σ = 88555840. Its totient is φ = 42849360.

The previous prime is 65345453. The next prime is 65345459. The reversal of 65345457 is 75454356.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 65345457 - 2² = 65345453 is a prime.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 178357 + ... + 178722.

It is an arithmetic number, because the mean of its divisors is an integer number (11069480).

Almost surely, 2^65345457 is an apocalyptic number.

It is an amenable number.

65345457 is a deficient number, since it is larger than the sum of its proper divisors (23210383).

65345457 is a wasteful number, since it uses less digits than its factorization.

65345457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357143.

The product of its digits is 252000, while the sum is 39.

The square root of 65345457 is about 8083.6536912463. The cubic root of 65345457 is about 402.7836191425.

The spelling of 65345457 in words is "sixty-five million, three hundred forty-five thousand, four hundred fifty-seven".