65425426 has 24 divisors (see below), whose sum is σ = 109927692. Its totient is φ = 29172000.

The previous prime is 65425411. The next prime is 65425427. The reversal of 65425426 is 62452456.

It can be written as a sum of positive squares in 2 ways, for example, as 60824401 + 4601025 = 7799^2 + 2145^2 .

It is a junction number, because it is equal to n+sod(n) for n = 65425391 and 65425400.

It is not an unprimeable number, because it can be changed into a prime (65425427) 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 11 ways as a sum of consecutive naturals, for example, 10276 + ... + 15376.

Almost surely, 2^65425426 is an apocalyptic number.

65425426 is a deficient number, since it is larger than the sum of its proper divisors (44502266).

65425426 is a wasteful number, since it uses less digits than its factorization.

65425426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5178 (or 5167 counting only the distinct ones).

The product of its digits is 57600, while the sum is 34.

The square root of 65425426 is about 8088.5985189030. The cubic root of 65425426 is about 402.9478594440.

The spelling of 65425426 in words is "sixty-five million, four hundred twenty-five thousand, four hundred twenty-six".