105205501 has 2 divisors, whose sum is σ = 105205502. Its totient is φ = 105205500.

The previous prime is 105205493. The next prime is 105205511. The reversal of 105205501 is 105502501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 105083001 + 122500 = 10251^2 + 350^2 .

It is a cyclic number.

It is not a de Polignac number, because 105205501 - 2³ = 105205493 is a prime.

It is a super-2 number, since 2×105205501² = 22136394881322002, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105205511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52602750 + 52602751.

It is an arithmetic number, because the mean of its divisors is an integer number (52602751).

Almost surely, 2^105205501 is an apocalyptic number.

It is an amenable number.

105205501 is a deficient number, since it is larger than the sum of its proper divisors (1).

105205501 is an equidigital number, since it uses as much as digits as its factorization.

105205501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 250, while the sum is 19.

The square root of 105205501 is about 10256.9732865012. The cubic root of 105205501 is about 472.0769723291.

The spelling of 105205501 in words is "one hundred five million, two hundred five thousand, five hundred one".