617310421 has 16 divisors (see below), whose sum is σ = 760614400. Its totient is φ = 487876608.

The previous prime is 617310413. The next prime is 617310457. The reversal of 617310421 is 124013716.

617310421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 617310421 - 2³ = 617310413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (617310461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91285 + ... + 97813.

It is an arithmetic number, because the mean of its divisors is an integer number (47538400).

Almost surely, 2^617310421 is an apocalyptic number.

It is an amenable number.

617310421 is a deficient number, since it is larger than the sum of its proper divisors (143303979).

617310421 is a wasteful number, since it uses less digits than its factorization.

617310421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7588.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 617310421 is about 24845.7324504632. The cubic root of 617310421 is about 851.4670954101.

The spelling of 617310421 in words is "six hundred seventeen million, three hundred ten thousand, four hundred twenty-one".