254540971 has 2 divisors, whose sum is σ = 254540972. Its totient is φ = 254540970.

The previous prime is 254540941. The next prime is 254541011. The reversal of 254540971 is 179045452.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 254540971 - 2⁵ = 254540939 is a prime.

It is a super-2 number, since 2×254540971² = 129582211835245682, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 254540971.

It is not a weakly prime, because it can be changed into another prime (254540911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127270485 + 127270486.

It is an arithmetic number, because the mean of its divisors is an integer number (127270486).

Almost surely, 2^254540971 is an apocalyptic number.

254540971 is a deficient number, since it is larger than the sum of its proper divisors (1).

254540971 is an equidigital number, since it uses as much as digits as its factorization.

254540971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 50400, while the sum is 37.

The square root of 254540971 is about 15954.3401931888. The cubic root of 254540971 is about 633.7518384120.

The spelling of 254540971 in words is "two hundred fifty-four million, five hundred forty thousand, nine hundred seventy-one".