620052645 has 16 divisors (see below), whose sum is σ = 1050442560. Its totient is φ = 311241984.

The previous prime is 620052637. The next prime is 620052649. The reversal of 620052645 is 546250026.

It is not a de Polignac number, because 620052645 - 2³ = 620052637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620052649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1215535 + ... + 1216044.

It is an arithmetic number, because the mean of its divisors is an integer number (65652660).

Almost surely, 2^620052645 is an apocalyptic number.

It is an amenable number.

620052645 is a deficient number, since it is larger than the sum of its proper divisors (430389915).

620052645 is a wasteful number, since it uses less digits than its factorization.

620052645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2431604.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 620052645 is about 24900.8563105770. The cubic root of 620052645 is about 852.7260323179.

The spelling of 620052645 in words is "six hundred twenty million, fifty-two thousand, six hundred forty-five".