65650426 has 4 divisors (see below), whose sum is σ = 98475642. Its totient is φ = 32825212.

The previous prime is 65650397. The next prime is 65650439. The reversal of 65650426 is 62405656.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 44957025 + 20693401 = 6705^2 + 4549^2 .

It is a junction number, because it is equal to n+sod(n) for n = 65650391 and 65650400.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16412605 + ... + 16412608.

Almost surely, 2^65650426 is an apocalyptic number.

65650426 is a deficient number, since it is larger than the sum of its proper divisors (32825216).

65650426 is a wasteful number, since it uses less digits than its factorization.

65650426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32825215.

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 65650426 is about 8102.4950478232. The cubic root of 65650426 is about 403.4092475250.

The spelling of 65650426 in words is "sixty-five million, six hundred fifty thousand, four hundred twenty-six".