620145035 has 4 divisors (see below), whose sum is σ = 744174048. Its totient is φ = 496116024.

The previous prime is 620145013. The next prime is 620145059. The reversal of 620145035 is 530541026.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 620145035 - 2¹⁰ = 620144011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 620144995 and 620145013.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62014499 + ... + 62014508.

It is an arithmetic number, because the mean of its divisors is an integer number (186043512).

Almost surely, 2^620145035 is an apocalyptic number.

620145035 is a deficient number, since it is larger than the sum of its proper divisors (124029013).

620145035 is a wasteful number, since it uses less digits than its factorization.

620145035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124029012.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 620145035 is about 24902.7113985606. The cubic root of 620145035 is about 852.7683832624.

The spelling of 620145035 in words is "six hundred twenty million, one hundred forty-five thousand, thirty-five".