620354351 has 4 divisors (see below), whose sum is σ = 653004600. Its totient is φ = 587704104.

The previous prime is 620354333. The next prime is 620354353. The reversal of 620354351 is 153453026.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 620354351 - 2²² = 616160047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620354353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16325096 + ... + 16325133.

It is an arithmetic number, because the mean of its divisors is an integer number (163251150).

Almost surely, 2^620354351 is an apocalyptic number.

620354351 is a deficient number, since it is larger than the sum of its proper divisors (32650249).

620354351 is a wasteful number, since it uses less digits than its factorization.

620354351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32650248.

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 620354351 is about 24906.9137188854. The cubic root of 620354351 is about 852.8643167285.

The spelling of 620354351 in words is "six hundred twenty million, three hundred fifty-four thousand, three hundred fifty-one".