613225033 has 4 divisors (see below), whose sum is σ = 615488128. Its totient is φ = 610961940.

The previous prime is 613225031. The next prime is 613225091. The reversal of 613225033 is 330522316.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 613225033 - 2¹ = 613225031 is a prime.

It is a super-3 number, since 3×613225033³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a nialpdrome in base 8.

It is a junction number, because it is equal to n+sod(n) for n = 613224989 and 613225007.

It is not an unprimeable number, because it can be changed into a prime (613225031) 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 3 ways as a sum of consecutive naturals, for example, 1131141 + ... + 1131682.

It is an arithmetic number, because the mean of its divisors is an integer number (153872032).

Almost surely, 2^613225033 is an apocalyptic number.

It is an amenable number.

613225033 is a deficient number, since it is larger than the sum of its proper divisors (2263095).

613225033 is a wasteful number, since it uses less digits than its factorization.

613225033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2263094.

The product of its (nonzero) digits is 3240, while the sum is 25.

The square root of 613225033 is about 24763.3808879159. The cubic root of 613225033 is about 849.5845873237.

Adding to 613225033 its reverse (330522316), we get a palindrome (943747349).

The spelling of 613225033 in words is "six hundred thirteen million, two hundred twenty-five thousand, thirty-three".