620483481 has 12 divisors (see below), whose sum is σ = 904477860. Its totient is φ = 409860000.

The previous prime is 620483473. The next prime is 620483483. The reversal of 620483481 is 184384026.

It can be written as a sum of positive squares in 2 ways, for example, as 454073481 + 166410000 = 21309^2 + 12900^2 .

It is not a de Polignac number, because 620483481 - 2³ = 620483473 is a prime.

It is a super-2 number, since 2×620483481² = 769999500387754722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (620483483) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 315270 + ... + 317231.

It is an arithmetic number, because the mean of its divisors is an integer number (75373155).

Almost surely, 2^620483481 is an apocalyptic number.

It is an amenable number.

620483481 is a deficient number, since it is larger than the sum of its proper divisors (283994379).

620483481 is a wasteful number, since it uses less digits than its factorization.

620483481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632616 (or 632613 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 620483481 is about 24909.5058361261. The cubic root of 620483481 is about 852.9234886778.

The spelling of 620483481 in words is "six hundred twenty million, four hundred eighty-three thousand, four hundred eighty-one".