613060625425 has 24 divisors (see below), whose sum is σ = 762660171000. Its totient is φ = 488859886080.

The previous prime is 613060625323. The next prime is 613060625459. The reversal of 613060625425 is 524526060316.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 488431856641 + 124628768784 = 698879^2 + 353028^2 .

It is not a de Polignac number, because 613060625425 - 2⁷ = 613060625297 is a prime.

It is a super-4 number, since 4×613060625425⁴ (a number of 48 digits) contains 4444 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15043677 + ... + 15084373.

It is an arithmetic number, because the mean of its divisors is an integer number (31777507125).

Almost surely, 2^613060625425 is an apocalyptic number.

It is an amenable number.

613060625425 is a deficient number, since it is larger than the sum of its proper divisors (149599545575).

613060625425 is a wasteful number, since it uses less digits than its factorization.

613060625425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42645 (or 42640 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 40.

The spelling of 613060625425 in words is "six hundred thirteen billion, sixty million, six hundred twenty-five thousand, four hundred twenty-five".