105028591 has 2 divisors, whose sum is σ = 105028592. Its totient is φ = 105028590.

The previous prime is 105028579. The next prime is 105028613. The reversal of 105028591 is 195820501.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 105028591 - 2⁵ = 105028559 is a prime.

It is a super-2 number, since 2×105028591² = 22062009854890562, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105028541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52514295 + 52514296.

It is an arithmetic number, because the mean of its divisors is an integer number (52514296).

Almost surely, 2^105028591 is an apocalyptic number.

105028591 is a deficient number, since it is larger than the sum of its proper divisors (1).

105028591 is an equidigital number, since it uses as much as digits as its factorization.

105028591 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 31.

The square root of 105028591 is about 10248.3457689522. The cubic root of 105028591 is about 471.8122143325.

The spelling of 105028591 in words is "one hundred five million, twenty-eight thousand, five hundred ninety-one".