65054197 has 6 divisors (see below), whose sum is σ = 70089698. Its totient is φ = 60023184.

The previous prime is 65054159. The next prime is 65054219. The reversal of 65054197 is 79145056.

It can be written as a sum of positive squares in 3 ways, for example, as 15689521 + 49364676 = 3961^2 + 7026^2 .

It is not a de Polignac number, because 65054197 - 2⁷ = 65054069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65058197) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27963 + ... + 30199.

Almost surely, 2^65054197 is an apocalyptic number.

It is an amenable number.

65054197 is a deficient number, since it is larger than the sum of its proper divisors (5035501).

65054197 is an frugal number, since it uses more digits than its factorization.

65054197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4487 (or 2250 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 37.

The square root of 65054197 is about 8065.6182032129. The cubic root of 65054197 is about 402.1842941857.

The spelling of 65054197 in words is "sixty-five million, fifty-four thousand, one hundred ninety-seven".