612825361 has 8 divisors (see below), whose sum is σ = 634257000. Its totient is φ = 591413760.

The previous prime is 612825341. The next prime is 612825407. The reversal of 612825361 is 163528216.

It can be written as a sum of positive squares in 4 ways, for example, as 397763136 + 215062225 = 19944^2 + 14665^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 612825361 - 2⁷ = 612825233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (612825341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84715 + ... + 91663.

It is an arithmetic number, because the mean of its divisors is an integer number (79282125).

Almost surely, 2^612825361 is an apocalyptic number.

It is an amenable number.

612825361 is a deficient number, since it is larger than the sum of its proper divisors (21431639).

612825361 is a wasteful number, since it uses less digits than its factorization.

612825361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10019.

The product of its digits is 17280, while the sum is 34.

The square root of 612825361 is about 24755.3097536670. The cubic root of 612825361 is about 849.3999737651.

The spelling of 612825361 in words is "six hundred twelve million, eight hundred twenty-five thousand, three hundred sixty-one".