620930601 has 12 divisors (see below), whose sum is σ = 901549428. Its totient is φ = 411807744.

The previous prime is 620930567. The next prime is 620930623. The reversal of 620930601 is 106039026.

It is a happy number.

620930601 is a `hidden beast` number, since 6 + 20 + 9 + 30 + 601 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 86211225 + 534719376 = 9285^2 + 23124^2 .

It is not a de Polignac number, because 620930601 - 2¹⁸ = 620668457 is a prime.

It is a super-2 number, since 2×620930601² = 771109622516442402, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (620930671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 177000 + ... + 180473.

It is an arithmetic number, because the mean of its divisors is an integer number (75129119).

Almost surely, 2^620930601 is an apocalyptic number.

It is an amenable number.

620930601 is a deficient number, since it is larger than the sum of its proper divisors (280618827).

620930601 is a wasteful number, since it uses less digits than its factorization.

620930601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357672 (or 357669 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 620930601 is about 24918.4791068797. The cubic root of 620930601 is about 853.1283115276.

Adding to 620930601 its reverse (106039026), we get a palindrome (726969627).

The spelling of 620930601 in words is "six hundred twenty million, nine hundred thirty thousand, six hundred one".