628882501 has 8 divisors (see below), whose sum is σ = 712903520. Its totient is φ = 549953712.

The previous prime is 628882483. The next prime is 628882531. The reversal of 628882501 is 105288826.

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 628882501 - 2⁵ = 628882469 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 (628882531) 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, 1272795 + ... + 1273288.

It is an arithmetic number, because the mean of its divisors is an integer number (89112940).

Almost surely, 2^628882501 is an apocalyptic number.

It is an amenable number.

628882501 is a deficient number, since it is larger than the sum of its proper divisors (84021019).

628882501 is a wasteful number, since it uses less digits than its factorization.

628882501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2546115.

The product of its (nonzero) digits is 61440, while the sum is 40.

The square root of 628882501 is about 25077.5298025942. The cubic root of 628882501 is about 856.7547155904.

The spelling of 628882501 in words is "six hundred twenty-eight million, eight hundred eighty-two thousand, five hundred one".