620574485 has 16 divisors (see below), whose sum is σ = 791506560. Its totient is φ = 465756480.

The previous prime is 620574481. The next prime is 620574491. The reversal of 620574485 is 584475026.

It is not a de Polignac number, because 620574485 - 2² = 620574481 is a prime.

It is a super-3 number, since 3×620574485³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620574481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21926 + ... + 41495.

It is an arithmetic number, because the mean of its divisors is an integer number (49469160).

Almost surely, 2^620574485 is an apocalyptic number.

It is an amenable number.

620574485 is a deficient number, since it is larger than the sum of its proper divisors (170932075).

620574485 is a wasteful number, since it uses less digits than its factorization.

620574485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63548.

The product of its (nonzero) digits is 268800, while the sum is 41.

The square root of 620574485 is about 24911.3324613518. The cubic root of 620574485 is about 852.9651850093.

The spelling of 620574485 in words is "six hundred twenty million, five hundred seventy-four thousand, four hundred eighty-five".