621062049 has 8 divisors (see below), whose sum is σ = 829615552. Its totient is φ = 413274960.

The previous prime is 621062047. The next prime is 621062069. The reversal of 621062049 is 940260126.

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

It is not a de Polignac number, because 621062049 - 2¹ = 621062047 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (621062041) 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, 189709 + ... + 192954.

It is an arithmetic number, because the mean of its divisors is an integer number (103701944).

Almost surely, 2^621062049 is an apocalyptic number.

It is an amenable number.

621062049 is a deficient number, since it is larger than the sum of its proper divisors (208553503).

621062049 is a wasteful number, since it uses less digits than its factorization.

621062049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383207.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 621062049 is about 24921.1165279568. The cubic root of 621062049 is about 853.1885083235.

The spelling of 621062049 in words is "six hundred twenty-one million, sixty-two thousand, forty-nine".