105150391 has 2 divisors, whose sum is σ = 105150392. Its totient is φ = 105150390.

The previous prime is 105150379. The next prime is 105150407. The reversal of 105150391 is 193051501.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 105150391 - 2¹³ = 105142199 is a prime.

It is a super-2 number, since 2×105150391² = 22113209454905762, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105150091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52575195 + 52575196.

It is an arithmetic number, because the mean of its divisors is an integer number (52575196).

Almost surely, 2^105150391 is an apocalyptic number.

105150391 is a deficient number, since it is larger than the sum of its proper divisors (1).

105150391 is an equidigital number, since it uses as much as digits as its factorization.

105150391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 675, while the sum is 25.

The square root of 105150391 is about 10254.2864695697. The cubic root of 105150391 is about 471.9945282689.

The spelling of 105150391 in words is "one hundred five million, one hundred fifty thousand, three hundred ninety-one".