289374131 has 2 divisors, whose sum is σ = 289374132. Its totient is φ = 289374130.

The previous prime is 289374101. The next prime is 289374143. The reversal of 289374131 is 131473982.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 289374131 - 2⁶ = 289374067 is a prime.

It is a super-2 number, since 2×289374131² = 167474775384010322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (289374101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 144687065 + 144687066.

It is an arithmetic number, because the mean of its divisors is an integer number (144687066).

Almost surely, 2^289374131 is an apocalyptic number.

289374131 is a deficient number, since it is larger than the sum of its proper divisors (1).

289374131 is an equidigital number, since it uses as much as digits as its factorization.

289374131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288, while the sum is 38.

The square root of 289374131 is about 17011.0002939275. Note that the first 3 decimals coincide. The cubic root of 289374131 is about 661.4340802038.

The spelling of 289374131 in words is "two hundred eighty-nine million, three hundred seventy-four thousand, one hundred thirty-one".