613709925 has 24 divisors (see below), whose sum is σ = 1016039136. Its totient is φ = 326869440.

The previous prime is 613709923. The next prime is 613709927. The reversal of 613709925 is 529907316.

It is an interprime number because it is at equal distance from previous prime (613709923) and next prime (613709927).

It is not a de Polignac number, because 613709925 - 2¹ = 613709923 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (613709923) 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 23 ways as a sum of consecutive naturals, for example, 54642 + ... + 64908.

It is an arithmetic number, because the mean of its divisors is an integer number (42334964).

Almost surely, 2^613709925 is an apocalyptic number.

It is an amenable number.

613709925 is a deficient number, since it is larger than the sum of its proper divisors (402329211).

613709925 is a wasteful number, since it uses less digits than its factorization.

613709925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11077 (or 11072 counting only the distinct ones).

The product of its (nonzero) digits is 102060, while the sum is 42.

The square root of 613709925 is about 24773.1694581053. The cubic root of 613709925 is about 849.8084574169.

The spelling of 613709925 in words is "six hundred thirteen million, seven hundred nine thousand, nine hundred twenty-five".