613203225 has 24 divisors (see below), whose sum is σ = 1031020320. Its totient is φ = 321496320.

The previous prime is 613203191. The next prime is 613203247. The reversal of 613203225 is 522302316.

It is not a de Polignac number, because 613203225 - 2¹⁰ = 613202201 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 613203195 and 613203204.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 64864 + ... + 73713.

It is an arithmetic number, because the mean of its divisors is an integer number (42959180).

Almost surely, 2^613203225 is an apocalyptic number.

It is an amenable number.

613203225 is a deficient number, since it is larger than the sum of its proper divisors (417817095).

613203225 is a wasteful number, since it uses less digits than its factorization.

613203225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138649 (or 138644 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 613203225 is about 24762.9405564040. The cubic root of 613203225 is about 849.5745160017.

Subtracting from 613203225 its reverse (522302316), we obtain a palindrome (90900909).

The spelling of 613203225 in words is "six hundred thirteen million, two hundred three thousand, two hundred twenty-five".