620515201 has 2 divisors, whose sum is σ = 620515202. Its totient is φ = 620515200.

The previous prime is 620515199. The next prime is 620515223. The reversal of 620515201 is 102515026.

620515201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (620515223) can be obtained adding 620515201 to its sum of digits (22).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 592679025 + 27836176 = 24345^2 + 5276^2 .

It is a cyclic number.

It is not a de Polignac number, because 620515201 - 2¹ = 620515199 is a prime.

It is a super-2 number, since 2×620515201² = 770078229344140802, which contains 22 as substring.

Together with 620515199, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (620518201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 310257600 + 310257601.

It is an arithmetic number, because the mean of its divisors is an integer number (310257601).

Almost surely, 2^620515201 is an apocalyptic number.

It is an amenable number.

620515201 is a deficient number, since it is larger than the sum of its proper divisors (1).

620515201 is an equidigital number, since it uses as much as digits as its factorization.

620515201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 620515201 is about 24910.1425327114. The cubic root of 620515201 is about 852.9380226516.

The spelling of 620515201 in words is "six hundred twenty million, five hundred fifteen thousand, two hundred one".