105319457 has 4 divisors (see below), whose sum is σ = 106342080. Its totient is φ = 104296836.

The previous prime is 105319441. The next prime is 105319477. The reversal of 105319457 is 754913501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 754913501 = 4027 ⋅187463.

It is a cyclic number.

It is not a de Polignac number, because 105319457 - 2⁴ = 105319441 is a prime.

It is a super-2 number, since 2×105319457² = 22184376045549698, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105319477) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 511157 + ... + 511362.

It is an arithmetic number, because the mean of its divisors is an integer number (26585520).

Almost surely, 2^105319457 is an apocalyptic number.

It is an amenable number.

105319457 is a deficient number, since it is larger than the sum of its proper divisors (1022623).

105319457 is a wasteful number, since it uses less digits than its factorization.

105319457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1022622.

The product of its (nonzero) digits is 18900, while the sum is 35.

The square root of 105319457 is about 10262.5268330952. The cubic root of 105319457 is about 472.2473581965.

The spelling of 105319457 in words is "one hundred five million, three hundred nineteen thousand, four hundred fifty-seven".