616255471 has 8 divisors (see below), whose sum is σ = 663987744. Its totient is φ = 568570080.

The previous prime is 616255459. The next prime is 616255487. The reversal of 616255471 is 174552616.

It is a happy number.

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

It is not a de Polignac number, because 616255471 - 2¹¹ = 616253423 is a prime.

It is a super-3 number, since 3×616255471³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 616255471.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616255411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18486 + ... + 39676.

It is an arithmetic number, because the mean of its divisors is an integer number (82998468).

Almost surely, 2^616255471 is an apocalyptic number.

616255471 is a deficient number, since it is larger than the sum of its proper divisors (47732273).

616255471 is a wasteful number, since it uses less digits than its factorization.

616255471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23441.

The product of its digits is 50400, while the sum is 37.

The square root of 616255471 is about 24824.4933684456. The cubic root of 616255471 is about 850.9817818316.

The spelling of 616255471 in words is "six hundred sixteen million, two hundred fifty-five thousand, four hundred seventy-one".