620576231 has 8 divisors (see below), whose sum is σ = 678250128. Its totient is φ = 563112000.

The previous prime is 620576227. The next prime is 620576239. The reversal of 620576231 is 132675026.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 620576231 - 2² = 620576227 is a prime.

It is a super-2 number, since 2×620576231² = 770229716964330722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620576239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46190 + ... + 58091.

It is an arithmetic number, because the mean of its divisors is an integer number (84781266).

Almost surely, 2^620576231 is an apocalyptic number.

620576231 is a deficient number, since it is larger than the sum of its proper divisors (57673897).

620576231 is a wasteful number, since it uses less digits than its factorization.

620576231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104833.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 620576231 is about 24911.3675056188. The cubic root of 620576231 is about 852.9659849540.

The spelling of 620576231 in words is "six hundred twenty million, five hundred seventy-six thousand, two hundred thirty-one".