620496113 has 4 divisors (see below), whose sum is σ = 622803060. Its totient is φ = 618189168.

The previous prime is 620496109. The next prime is 620496119. The reversal of 620496113 is 311694026.

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 65092624 + 555403489 = 8068^2 + 23567^2 .

It is a cyclic number.

It is not a de Polignac number, because 620496113 - 2² = 620496109 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 620496113.

It is not an unprimeable number, because it can be changed into a prime (620496119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1153070 + ... + 1153607.

It is an arithmetic number, because the mean of its divisors is an integer number (155700765).

Almost surely, 2^620496113 is an apocalyptic number.

It is an amenable number.

620496113 is a deficient number, since it is larger than the sum of its proper divisors (2306947).

620496113 is a wasteful number, since it uses less digits than its factorization.

620496113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2306946.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 620496113 is about 24909.7593926557. The cubic root of 620496113 is about 852.9292766677.

The spelling of 620496113 in words is "six hundred twenty million, four hundred ninety-six thousand, one hundred thirteen".