620530001 has 16 divisors (see below), whose sum is σ = 769757184. Its totient is φ = 487093824.

The previous prime is 620529991. The next prime is 620530021. The reversal of 620530001 is 100035026.

It is a de Polignac number, because none of the positive numbers 2^k-620530001 is a prime.

It is a super-3 number, since 3×620530001³ (a number of 27 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (620530021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15290 + ... + 38403.

It is an arithmetic number, because the mean of its divisors is an integer number (48109824).

Almost surely, 2^620530001 is an apocalyptic number.

It is an amenable number.

620530001 is a deficient number, since it is larger than the sum of its proper divisors (149227183).

620530001 is a wasteful number, since it uses less digits than its factorization.

620530001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53840.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 620530001 is about 24910.4395986903. The cubic root of 620530001 is about 852.9448037815.

Adding to 620530001 its reverse (100035026), we get a palindrome (720565027).

The spelling of 620530001 in words is "six hundred twenty million, five hundred thirty thousand, one".