620526671 has 8 divisors (see below), whose sum is σ = 624439200. Its totient is φ = 616626432.

The previous prime is 620526661. The next prime is 620526689. The reversal of 620526671 is 176625026.

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

It is a cyclic number.

It is not a de Polignac number, because 620526671 - 2¹⁴ = 620510287 is a prime.

It is a super-3 number, since 3×620526671³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620526611) 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, 111155 + ... + 116603.

It is an arithmetic number, because the mean of its divisors is an integer number (78054900).

Almost surely, 2^620526671 is an apocalyptic number.

620526671 is a deficient number, since it is larger than the sum of its proper divisors (3912529).

620526671 is a wasteful number, since it uses less digits than its factorization.

620526671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6145.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 620526671 is about 24910.3727591540. The cubic root of 620526671 is about 852.9432780366.

The spelling of 620526671 in words is "six hundred twenty million, five hundred twenty-six thousand, six hundred seventy-one".