254952991 has 2 divisors, whose sum is σ = 254952992. Its totient is φ = 254952990.

The previous prime is 254952979. The next prime is 254953037. The reversal of 254952991 is 199259452.

It is an a-pointer prime, because the next prime (254953037) can be obtained adding 254952991 to its sum of digits (46).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 254952991 - 2¹³ = 254944799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (254952931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127476495 + 127476496.

It is an arithmetic number, because the mean of its divisors is an integer number (127476496).

Almost surely, 2^254952991 is an apocalyptic number.

254952991 is a deficient number, since it is larger than the sum of its proper divisors (1).

254952991 is an equidigital number, since it uses as much as digits as its factorization.

254952991 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 291600, while the sum is 46.

The square root of 254952991 is about 15967.2474459438. The cubic root of 254952991 is about 634.0936009045.

The spelling of 254952991 in words is "two hundred fifty-four million, nine hundred fifty-two thousand, nine hundred ninety-one".