613659325 has 6 divisors (see below), whose sum is σ = 760937594. Its totient is φ = 490927440.

The previous prime is 613659317. The next prime is 613659367. The reversal of 613659325 is 523956316.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 502681 + 613156644 = 709^2 + 24762^2 .

It is not a de Polignac number, because 613659325 - 2³ = 613659317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12273162 + ... + 12273211.

Almost surely, 2^613659325 is an apocalyptic number.

It is an amenable number.

613659325 is a deficient number, since it is larger than the sum of its proper divisors (147278269).

613659325 is a wasteful number, since it uses less digits than its factorization.

613659325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24546383 (or 24546378 counting only the distinct ones).

The product of its digits is 145800, while the sum is 40.

The square root of 613659325 is about 24772.1481708793. The cubic root of 613659325 is about 849.7851013828.

The spelling of 613659325 in words is "six hundred thirteen million, six hundred fifty-nine thousand, three hundred twenty-five".