617340425 has 12 divisors (see below), whose sum is σ = 824387340. Its totient is φ = 455881920.

The previous prime is 617340407. The next prime is 617340443. The reversal of 617340425 is 524043716.

617340425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (617340407) and next prime (617340443).

It can be written as a sum of positive squares in 6 ways, for example, as 861184 + 616479241 = 928^2 + 24829^2 .

It is not a de Polignac number, because 617340425 - 2¹² = 617336329 is a prime.

It is a super-2 number, since 2×617340425² = 762218400678361250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 617340391 and 617340400.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 949430 + ... + 950079.

It is an arithmetic number, because the mean of its divisors is an integer number (68698945).

Almost surely, 2^617340425 is an apocalyptic number.

617340425 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

617340425 is a deficient number, since it is larger than the sum of its proper divisors (207046915).

617340425 is a wasteful number, since it uses less digits than its factorization.

617340425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1899532 (or 1899527 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 617340425 is about 24846.3362490328. The cubic root of 617340425 is about 851.4808902012.

The spelling of 617340425 in words is "six hundred seventeen million, three hundred forty thousand, four hundred twenty-five".