620171254 has 8 divisors (see below), whose sum is σ = 984977928. Its totient is φ = 291845280.

The previous prime is 620171249. The next prime is 620171257. The reversal of 620171254 is 452171026.

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

It is a super-3 number, since 3×620171254³ (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 (620171257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9120132 + ... + 9120199.

It is an arithmetic number, because the mean of its divisors is an integer number (123122241).

Almost surely, 2^620171254 is an apocalyptic number.

620171254 is a deficient number, since it is larger than the sum of its proper divisors (364806674).

620171254 is a wasteful number, since it uses less digits than its factorization.

620171254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18240350.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 620171254 is about 24903.2378216167. The cubic root of 620171254 is about 852.7804011066.

The spelling of 620171254 in words is "six hundred twenty million, one hundred seventy-one thousand, two hundred fifty-four".