65623041 has 20 divisors (see below), whose sum is σ = 106942704. Its totient is φ = 39771000.

The previous prime is 65623021. The next prime is 65623049. The reversal of 65623041 is 14032656.

65623041 is a `hidden beast` number, since 656 + 2 + 3 + 0 + 4 + 1 = 666.

It is not a de Polignac number, because 65623041 - 2¹⁴ = 65606657 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 65622996 and 65623014.

It is not an unprimeable number, because it can be changed into a prime (65623049) 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 19 ways as a sum of consecutive naturals, for example, 35935 + ... + 37716.

Almost surely, 2^65623041 is an apocalyptic number.

It is an amenable number.

65623041 is a deficient number, since it is larger than the sum of its proper divisors (41319663).

65623041 is a wasteful number, since it uses less digits than its factorization.

65623041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73674 (or 73665 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 65623041 is about 8100.8049600024. The cubic root of 65623041 is about 403.3531478704.

Adding to 65623041 its reverse (14032656), we get a palindrome (79655697).

The spelling of 65623041 in words is "sixty-five million, six hundred twenty-three thousand, forty-one".