620382453 has 8 divisors (see below), whose sum is σ = 827438400. Its totient is φ = 413457408.

The previous prime is 620382431. The next prime is 620382461. The reversal of 620382453 is 354283026.

It is a happy number.

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

It is not a de Polignac number, because 620382453 - 2²⁰ = 619333877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620382403) 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, 21073 + ... + 41046.

It is an arithmetic number, because the mean of its divisors is an integer number (103429800).

Almost surely, 2^620382453 is an apocalyptic number.

It is an amenable number.

620382453 is a deficient number, since it is larger than the sum of its proper divisors (207055947).

620382453 is a wasteful number, since it uses less digits than its factorization.

620382453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65451.

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 620382453 is about 24907.4778530465. The cubic root of 620382453 is about 852.8771947613.

The spelling of 620382453 in words is "six hundred twenty million, three hundred eighty-two thousand, four hundred fifty-three".