620962753 has 4 divisors (see below), whose sum is σ = 636108228. Its totient is φ = 605817280.

The previous prime is 620962751. The next prime is 620962799. The reversal of 620962753 is 357269026.

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 62916624 + 558046129 = 7932^2 + 23623^2 .

It is a cyclic number.

It is not a de Polignac number, because 620962753 - 2¹ = 620962751 is a prime.

It is a super-2 number, since 2×620962753² = 771189481226678018, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (620962751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7572676 + ... + 7572757.

It is an arithmetic number, because the mean of its divisors is an integer number (159027057).

Almost surely, 2^620962753 is an apocalyptic number.

It is an amenable number.

620962753 is a deficient number, since it is larger than the sum of its proper divisors (15145475).

620962753 is a wasteful number, since it uses less digits than its factorization.

620962753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15145474.

The product of its (nonzero) digits is 136080, while the sum is 40.

The square root of 620962753 is about 24919.1242422361. The cubic root of 620962753 is about 853.1430363659.

The spelling of 620962753 in words is "six hundred twenty million, nine hundred sixty-two thousand, seven hundred fifty-three".