617352494 has 8 divisors (see below), whose sum is σ = 1010213208. Its totient is φ = 280614760.

The previous prime is 617352487. The next prime is 617352497. The reversal of 617352494 is 494253716.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×617352494² = 762248203696040072, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (617352497) 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 3 ways as a sum of consecutive naturals, for example, 14030717 + ... + 14030760.

It is an arithmetic number, because the mean of its divisors is an integer number (126276651).

Almost surely, 2^617352494 is an apocalyptic number.

617352494 is a deficient number, since it is larger than the sum of its proper divisors (392860714).

617352494 is a wasteful number, since it uses less digits than its factorization.

617352494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28061490.

The product of its digits is 181440, while the sum is 41.

The square root of 617352494 is about 24846.5791206757. The cubic root of 617352494 is about 851.4864389797.

The spelling of 617352494 in words is "six hundred seventeen million, three hundred fifty-two thousand, four hundred ninety-four".