971400259 has 2 divisors, whose sum is σ = 971400260. Its totient is φ = 971400258.

The previous prime is 971400233. The next prime is 971400263. The reversal of 971400259 is 952004179.

971400259 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 971400259 - 2¹⁵ = 971367491 is a prime.

It is not a weakly prime, because it can be changed into another prime (971400359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 485700129 + 485700130.

It is an arithmetic number, because the mean of its divisors is an integer number (485700130).

Almost surely, 2^971400259 is an apocalyptic number.

971400259 is a deficient number, since it is larger than the sum of its proper divisors (1).

971400259 is an equidigital number, since it uses as much as digits as its factorization.

971400259 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22680, while the sum is 37.

The square root of 971400259 is about 31167.2947013372. The cubic root of 971400259 is about 990.3743980652.

The spelling of 971400259 in words is "nine hundred seventy-one million, four hundred thousand, two hundred fifty-nine".