105538507 has 2 divisors, whose sum is σ = 105538508. Its totient is φ = 105538506.

The previous prime is 105538457. The next prime is 105538519. The reversal of 105538507 is 705835501.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 105538507 - 2⁷ = 105538379 is a prime.

It is a super-2 number, since 2×105538507² = 22276752919578098, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (105538577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52769253 + 52769254.

It is an arithmetic number, because the mean of its divisors is an integer number (52769254).

Almost surely, 2^105538507 is an apocalyptic number.

105538507 is a deficient number, since it is larger than the sum of its proper divisors (1).

105538507 is an equidigital number, since it uses as much as digits as its factorization.

105538507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21000, while the sum is 34.

The square root of 105538507 is about 10273.1936125043. The cubic root of 105538507 is about 472.5745346805.

The spelling of 105538507 in words is "one hundred five million, five hundred thirty-eight thousand, five hundred seven".