65478361 has 8 divisors (see below), whose sum is σ = 70620480. Its totient is φ = 60351312.

The previous prime is 65478337. The next prime is 65478367. The reversal of 65478361 is 16387456.

It is a happy number.

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 65478361 - 2¹³ = 65470169 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65478367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6270 + ... + 13048.

It is an arithmetic number, because the mean of its divisors is an integer number (8827560).

Almost surely, 2^65478361 is an apocalyptic number.

It is an amenable number.

65478361 is a deficient number, since it is larger than the sum of its proper divisors (5142119).

65478361 is a wasteful number, since it uses less digits than its factorization.

65478361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7535.

The product of its digits is 120960, while the sum is 40.

The square root of 65478361 is about 8091.8700558029. The cubic root of 65478361 is about 403.0565037239.

The spelling of 65478361 in words is "sixty-five million, four hundred seventy-eight thousand, three hundred sixty-one".