105276557 has 2 divisors, whose sum is σ = 105276558. Its totient is φ = 105276556.

The previous prime is 105276547. The next prime is 105276559. The reversal of 105276557 is 755672501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 104264521 + 1012036 = 10211^2 + 1006^2 .

It is a cyclic number.

It is not a de Polignac number, because 105276557 - 2⁴ = 105276541 is a prime.

It is a super-2 number, since 2×105276557² = 22166306907548498, which contains 22 as substring.

Together with 105276559, it forms a pair of twin primes.

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 105276557.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105276559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52638278 + 52638279.

It is an arithmetic number, because the mean of its divisors is an integer number (52638279).

Almost surely, 2^105276557 is an apocalyptic number.

It is an amenable number.

105276557 is a deficient number, since it is larger than the sum of its proper divisors (1).

105276557 is an equidigital number, since it uses as much as digits as its factorization.

105276557 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 73500, while the sum is 38.

The square root of 105276557 is about 10260.4364916898. The cubic root of 105276557 is about 472.1832289792.

The spelling of 105276557 in words is "one hundred five million, two hundred seventy-six thousand, five hundred fifty-seven".