64895345 has 4 divisors (see below), whose sum is σ = 77874420. Its totient is φ = 51916272.

The previous prime is 64895309. The next prime is 64895357. The reversal of 64895345 is 54359846.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14371681 + 50523664 = 3791^2 + 7108^2 .

It is a cyclic number.

It is not a de Polignac number, because 64895345 - 2¹² = 64891249 is a prime.

It is a super-2 number, since 2×64895345² = 8422811605338050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 64895296 and 64895305.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6489530 + ... + 6489539.

It is an arithmetic number, because the mean of its divisors is an integer number (19468605).

Almost surely, 2^64895345 is an apocalyptic number.

It is an amenable number.

64895345 is a deficient number, since it is larger than the sum of its proper divisors (12979075).

64895345 is a wasteful number, since it uses less digits than its factorization.

64895345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12979074.

The product of its digits is 518400, while the sum is 44.

The square root of 64895345 is about 8055.7647060971. The cubic root of 64895345 is about 401.8566706842.

The spelling of 64895345 in words is "sixty-four million, eight hundred ninety-five thousand, three hundred forty-five".