100628413 has 2 divisors, whose sum is σ = 100628414. Its totient is φ = 100628412.

The previous prime is 100628401. The next prime is 100628417. The reversal of 100628413 is 314826001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68343289 + 32285124 = 8267^2 + 5682^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100628413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100628417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50314206 + 50314207.

It is an arithmetic number, because the mean of its divisors is an integer number (50314207).

Almost surely, 2^100628413 is an apocalyptic number.

It is an amenable number.

100628413 is a deficient number, since it is larger than the sum of its proper divisors (1).

100628413 is an equidigital number, since it uses as much as digits as its factorization.

100628413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 100628413 is about 10031.3714416325. The cubic root of 100628413 is about 465.1291320555.

The spelling of 100628413 in words is "one hundred million, six hundred twenty-eight thousand, four hundred thirteen".