613423025 has 6 divisors (see below), whose sum is σ = 760644582. Its totient is φ = 490738400.

The previous prime is 613423003. The next prime is 613423033. The reversal of 613423025 is 520324316.

It can be written as a sum of positive squares in 3 ways, for example, as 11751184 + 601671841 = 3428^2 + 24529^2 .

It is not a de Polignac number, because 613423025 - 2⁸ = 613422769 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 613422985 and 613423003.

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, 12268436 + ... + 12268485.

It is an arithmetic number, because the mean of its divisors is an integer number (126774097).

Almost surely, 2^613423025 is an apocalyptic number.

It is an amenable number.

613423025 is a deficient number, since it is larger than the sum of its proper divisors (147221557).

613423025 is a wasteful number, since it uses less digits than its factorization.

613423025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24536931 (or 24536926 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 613423025 is about 24767.3782423574. The cubic root of 613423025 is about 849.6760126256.

The spelling of 613423025 in words is "six hundred thirteen million, four hundred twenty-three thousand, twenty-five".