64893337 has 2 divisors, whose sum is σ = 64893338. Its totient is φ = 64893336.

The previous prime is 64893313. The next prime is 64893343. The reversal of 64893337 is 73339846.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61921161 + 2972176 = 7869^2 + 1724^2 .

It is a cyclic number.

It is not a de Polignac number, because 64893337 - 2¹⁵ = 64860569 is a prime.

It is a super-2 number, since 2×64893337² = 8422290373991138, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 64893293 and 64893302.

It is not a weakly prime, because it can be changed into another prime (64893377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32446668 + 32446669.

It is an arithmetic number, because the mean of its divisors is an integer number (32446669).

Almost surely, 2^64893337 is an apocalyptic number.

It is an amenable number.

64893337 is a deficient number, since it is larger than the sum of its proper divisors (1).

64893337 is an equidigital number, since it uses as much as digits as its factorization.

64893337 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 326592, while the sum is 43.

The square root of 64893337 is about 8055.6400738861. The cubic root of 64893337 is about 401.8525258747.

The spelling of 64893337 in words is "sixty-four million, eight hundred ninety-three thousand, three hundred thirty-seven".