613011425 has 48 divisors (see below), whose sum is σ = 853747440. Its totient is φ = 433520640.

The previous prime is 613011389. The next prime is 613011437. The reversal of 613011425 is 524110316.

613011425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 24 ways, for example, as 587529121 + 25482304 = 24239^2 + 5048^2 .

It is not a de Polignac number, because 613011425 - 2⁶ = 613011361 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 613011425.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1818857 + ... + 1819193.

It is an arithmetic number, because the mean of its divisors is an integer number (17786405).

Almost surely, 2^613011425 is an apocalyptic number.

613011425 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

613011425 is a deficient number, since it is larger than the sum of its proper divisors (240736015).

613011425 is a wasteful number, since it uses less digits than its factorization.

613011425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 582 (or 577 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 613011425 is about 24759.0675309067. The cubic root of 613011425 is about 849.4859290658.

It can be divided in two parts, 61301 and 1425, that added together give a palindrome (62726).

The spelling of 613011425 in words is "six hundred thirteen million, eleven thousand, four hundred twenty-five".