65523494 has 16 divisors (see below), whose sum is σ = 100907856. Its totient is φ = 31891200.

The previous prime is 65523463. The next prime is 65523503. The reversal of 65523494 is 49432556.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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, 71789 + ... + 72695.

It is an arithmetic number, because the mean of its divisors is an integer number (6306741).

Almost surely, 2^65523494 is an apocalyptic number.

65523494 is a deficient number, since it is larger than the sum of its proper divisors (35384362).

65523494 is a wasteful number, since it uses less digits than its factorization.

65523494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1831.

The product of its digits is 129600, while the sum is 38.

The square root of 65523494 is about 8094.6583621546. The cubic root of 65523494 is about 403.1490888716.

The spelling of 65523494 in words is "sixty-five million, five hundred twenty-three thousand, four hundred ninety-four".