620654495 has 8 divisors (see below), whose sum is σ = 753759216. Its totient is φ = 490541056.

The previous prime is 620654467. The next prime is 620654501. The reversal of 620654495 is 594456026.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 620654495 - 2⁶ = 620654431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 747362 + ... + 748191.

It is an arithmetic number, because the mean of its divisors is an integer number (94219902).

Almost surely, 2^620654495 is an apocalyptic number.

620654495 is a deficient number, since it is larger than the sum of its proper divisors (133104721).

620654495 is a wasteful number, since it uses less digits than its factorization.

620654495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1495641.

The product of its (nonzero) digits is 259200, while the sum is 41.

The square root of 620654495 is about 24912.9383052261. The cubic root of 620654495 is about 853.0018407283.

The spelling of 620654495 in words is "six hundred twenty million, six hundred fifty-four thousand, four hundred ninety-five".