612506426 has 8 divisors (see below), whose sum is σ = 1050011040. Its totient is φ = 262502748.

The previous prime is 612506417. The next prime is 612506431. The reversal of 612506426 is 624605216.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 612506392 and 612506401.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21875216 + ... + 21875243.

It is an arithmetic number, because the mean of its divisors is an integer number (131251380).

Almost surely, 2^612506426 is an apocalyptic number.

612506426 is a deficient number, since it is larger than the sum of its proper divisors (437504614).

612506426 is a wasteful number, since it uses less digits than its factorization.

612506426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43750468.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 612506426 is about 24748.8671659937. The cubic root of 612506426 is about 849.2525960578.

It can be divided in two parts, 61250 and 6426, that added together give a palindrome (67676).

The spelling of 612506426 in words is "six hundred twelve million, five hundred six thousand, four hundred twenty-six".