105027551 has 2 divisors, whose sum is σ = 105027552. Its totient is φ = 105027550.

The previous prime is 105027529. The next prime is 105027557. The reversal of 105027551 is 155720501.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 105027551 - 2⁶ = 105027487 is a prime.

It is a super-2 number, since 2×105027551² = 22061572938115202, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 105027551.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105027557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52513775 + 52513776.

It is an arithmetic number, because the mean of its divisors is an integer number (52513776).

Almost surely, 2^105027551 is an apocalyptic number.

105027551 is a deficient number, since it is larger than the sum of its proper divisors (1).

105027551 is an equidigital number, since it uses as much as digits as its factorization.

105027551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1750, while the sum is 26.

The square root of 105027551 is about 10248.2950289304. The cubic root of 105027551 is about 471.8106570222.

The spelling of 105027551 in words is "one hundred five million, twenty-seven thousand, five hundred fifty-one".