620362573 has 4 divisors (see below), whose sum is σ = 620738620. Its totient is φ = 619986528.

The previous prime is 620362549. The next prime is 620362579. The reversal of 620362573 is 375263026.

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

It can be written as a sum of positive squares in 2 ways, for example, as 257345764 + 363016809 = 16042^2 + 19053^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-620362573 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 (620362579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185538 + ... + 188851.

It is an arithmetic number, because the mean of its divisors is an integer number (155184655).

Almost surely, 2^620362573 is an apocalyptic number.

It is an amenable number.

620362573 is a deficient number, since it is larger than the sum of its proper divisors (376047).

620362573 is a wasteful number, since it uses less digits than its factorization.

620362573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376046.

The product of its (nonzero) digits is 45360, while the sum is 34.

The square root of 620362573 is about 24907.0787729111. The cubic root of 620362573 is about 852.8680845855.

The spelling of 620362573 in words is "six hundred twenty million, three hundred sixty-two thousand, five hundred seventy-three".