103628491 has 2 divisors, whose sum is σ = 103628492. Its totient is φ = 103628490.

The previous prime is 103628479. The next prime is 103628507. The reversal of 103628491 is 194826301.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 103628491 - 2¹³ = 103620299 is a prime.

It is a super-3 number, since 3×103628491³ (a number of 25 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (103628401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51814245 + 51814246.

It is an arithmetic number, because the mean of its divisors is an integer number (51814246).

Almost surely, 2^103628491 is an apocalyptic number.

103628491 is a deficient number, since it is larger than the sum of its proper divisors (1).

103628491 is an equidigital number, since it uses as much as digits as its factorization.

103628491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 103628491 is about 10179.8080040834. The cubic root of 103628491 is about 469.7063066315.

The spelling of 103628491 in words is "one hundred three million, six hundred twenty-eight thousand, four hundred ninety-one".