620361101 has 8 divisors (see below), whose sum is σ = 622621080. Its totient is φ = 618106432.

The previous prime is 620361097. The next prime is 620361113. The reversal of 620361101 is 101163026.

It can be written as a sum of positive squares in 4 ways, for example, as 62173225 + 558187876 = 7885^2 + 23626^2 .

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 620361101 - 2² = 620361097 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620361121) 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, 504155 + ... + 505383.

It is an arithmetic number, because the mean of its divisors is an integer number (77827635).

Almost surely, 2^620361101 is an apocalyptic number.

It is an amenable number.

620361101 is a deficient number, since it is larger than the sum of its proper divisors (2259979).

620361101 is a wasteful number, since it uses less digits than its factorization.

620361101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2655.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 620361101 is about 24907.0492230613. The cubic root of 620361101 is about 852.8674100214.

The spelling of 620361101 in words is "six hundred twenty million, three hundred sixty-one thousand, one hundred one".