66254313 has 8 divisors (see below), whose sum is σ = 88377408. Its totient is φ = 44150384.

The previous prime is 66254291. The next prime is 66254317. The reversal of 66254313 is 31345266.

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

It is a cyclic number.

It is not a de Polignac number, because 66254313 - 2⁸ = 66254057 is a prime.

It is a super-2 number, since 2×66254313² = 8779267982203938, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (66254317) 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, 8731 + ... + 14447.

It is an arithmetic number, because the mean of its divisors is an integer number (11047176).

Almost surely, 2^66254313 is an apocalyptic number.

It is an amenable number.

66254313 is a deficient number, since it is larger than the sum of its proper divisors (22123095).

66254313 is a wasteful number, since it uses less digits than its factorization.

66254313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9583.

The product of its digits is 12960, while the sum is 30.

The square root of 66254313 is about 8139.6752392218. The cubic root of 66254313 is about 404.6423973418.

Adding to 66254313 its reverse (31345266), we get a palindrome (97599579).

The spelling of 66254313 in words is "sixty-six million, two hundred fifty-four thousand, three hundred thirteen".