620630265 has 16 divisors (see below), whose sum is σ = 1011745728. Its totient is φ = 324757056.

The previous prime is 620630251. The next prime is 620630291. The reversal of 620630265 is 562036026.

It is not a de Polignac number, because 620630265 - 2⁴ = 620630249 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 389539 + ... + 391128.

It is an arithmetic number, because the mean of its divisors is an integer number (63234108).

Almost surely, 2^620630265 is an apocalyptic number.

It is an amenable number.

620630265 is a deficient number, since it is larger than the sum of its proper divisors (391115463).

620630265 is a wasteful number, since it uses less digits than its factorization.

620630265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 780728.

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 620630265 is about 24912.4520069784. The cubic root of 620630265 is about 852.9907403475.

The spelling of 620630265 in words is "six hundred twenty million, six hundred thirty thousand, two hundred sixty-five".