105070993 has 2 divisors, whose sum is σ = 105070994. Its totient is φ = 105070992.

The previous prime is 105070981. The next prime is 105071003. The reversal of 105070993 is 399070501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 103063104 + 2007889 = 10152^2 + 1417^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-105070993 is a prime.

It is a super-2 number, since 2×105070993² = 22079827140012098, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (105070913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52535496 + 52535497.

It is an arithmetic number, because the mean of its divisors is an integer number (52535497).

Almost surely, 2^105070993 is an apocalyptic number.

It is an amenable number.

105070993 is a deficient number, since it is larger than the sum of its proper divisors (1).

105070993 is an equidigital number, since it uses as much as digits as its factorization.

105070993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8505, while the sum is 34.

The square root of 105070993 is about 10250.4142843107. The cubic root of 105070993 is about 471.8756989186.

The spelling of 105070993 in words is "one hundred five million, seventy thousand, nine hundred ninety-three".