65415201 has 16 divisors (see below), whose sum is σ = 92721024. Its totient is φ = 40880384.

The previous prime is 65415193. The next prime is 65415209. The reversal of 65415201 is 10251456.

It is an interprime number because it is at equal distance from previous prime (65415193) and next prime (65415209).

It is a cyclic number.

It is not a de Polignac number, because 65415201 - 2³ = 65415193 is a prime.

It is a super-4 number, since 4×65415201⁴ (a number of 32 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (65415209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10975 + ... + 15851.

It is an arithmetic number, because the mean of its divisors is an integer number (5795064).

Almost surely, 2^65415201 is an apocalyptic number.

It is an amenable number.

65415201 is a deficient number, since it is larger than the sum of its proper divisors (27305823).

65415201 is a wasteful number, since it uses less digits than its factorization.

65415201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5160.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 65415201 is about 8087.9664316811. The cubic root of 65415201 is about 402.9268668077.

Adding to 65415201 its reverse (10251456), we get a palindrome (75666657).

The spelling of 65415201 in words is "sixty-five million, four hundred fifteen thousand, two hundred one".