628650245 has 8 divisors (see below), whose sum is σ = 794084640. Its totient is φ = 476450640.

The previous prime is 628650227. The next prime is 628650277. The reversal of 628650245 is 542056826.

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

It is not a de Polignac number, because 628650245 - 2⁶ = 628650181 is a prime.

It is a super-2 number, since 2×628650245² = 790402261077120050, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 628650199 and 628650208.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3308591 + ... + 3308780.

It is an arithmetic number, because the mean of its divisors is an integer number (99260580).

Almost surely, 2^628650245 is an apocalyptic number.

It is an amenable number.

628650245 is a deficient number, since it is larger than the sum of its proper divisors (165434395).

628650245 is a wasteful number, since it uses less digits than its factorization.

628650245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6617395.

The product of its (nonzero) digits is 115200, while the sum is 38.

The square root of 628650245 is about 25072.8986158362. The cubic root of 628650245 is about 856.6492316968.

The spelling of 628650245 in words is "six hundred twenty-eight million, six hundred fifty thousand, two hundred forty-five".