65338451 has 8 divisors (see below), whose sum is σ = 66659520. Its totient is φ = 64029888.

The previous prime is 65338439. The next prime is 65338459. The reversal of 65338451 is 15483356.

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 65338451 - 2¹⁴ = 65322067 is a prime.

It is a super-2 number, since 2×65338451² = 8538226358158802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65338459) 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, 7805 + ... + 13841.

It is an arithmetic number, because the mean of its divisors is an integer number (8332440).

Almost surely, 2^65338451 is an apocalyptic number.

65338451 is a deficient number, since it is larger than the sum of its proper divisors (1321069).

65338451 is a wasteful number, since it uses less digits than its factorization.

65338451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6253.

The product of its digits is 43200, while the sum is 35.

The square root of 65338451 is about 8083.2203359800. The cubic root of 65338451 is about 402.7692238398.

The spelling of 65338451 in words is "sixty-five million, three hundred thirty-eight thousand, four hundred fifty-one".