105345403 has 2 divisors, whose sum is σ = 105345404. Its totient is φ = 105345402.

The previous prime is 105345389. The next prime is 105345407. The reversal of 105345403 is 304543501.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 105345403 - 2⁹ = 105344891 is a prime.

It is a super-2 number, since 2×105345403² = 22195307866464818, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (105345407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52672701 + 52672702.

It is an arithmetic number, because the mean of its divisors is an integer number (52672702).

Almost surely, 2^105345403 is an apocalyptic number.

105345403 is a deficient number, since it is larger than the sum of its proper divisors (1).

105345403 is an equidigital number, since it uses as much as digits as its factorization.

105345403 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 25.

The square root of 105345403 is about 10263.7908688749. The cubic root of 105345403 is about 472.2861352160.

Adding to 105345403 its reverse (304543501), we get a palindrome (409888904).

The spelling of 105345403 in words is "one hundred five million, three hundred forty-five thousand, four hundred three".