65506426 has 4 divisors (see below), whose sum is σ = 98259642. Its totient is φ = 32753212.

The previous prime is 65506411. The next prime is 65506429. The reversal of 65506426 is 62460556.

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., 33005025 + 32501401 = 5745^2 + 5701^2 .

It is a junction number, because it is equal to n+sod(n) for n = 65506391 and 65506400.

It is not an unprimeable number, because it can be changed into a prime (65506429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16376605 + ... + 16376608.

Almost surely, 2^65506426 is an apocalyptic number.

65506426 is a deficient number, since it is larger than the sum of its proper divisors (32753216).

65506426 is a wasteful number, since it uses less digits than its factorization.

65506426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32753215.

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

The square root of 65506426 is about 8093.6040179885. The cubic root of 65506426 is about 403.1140808372.

The spelling of 65506426 in words is "sixty-five million, five hundred six thousand, four hundred twenty-six".