254500993 has 2 divisors, whose sum is σ = 254500994. Its totient is φ = 254500992.

The previous prime is 254500943. The next prime is 254500997. The reversal of 254500993 is 399005452.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 233998209 + 20502784 = 15297^2 + 4528^2 .

It is a cyclic number.

It is not a de Polignac number, because 254500993 - 2⁹ = 254500481 is a prime.

It is not a weakly prime, because it can be changed into another prime (254500997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127250496 + 127250497.

It is an arithmetic number, because the mean of its divisors is an integer number (127250497).

Almost surely, 2^254500993 is an apocalyptic number.

It is an amenable number.

254500993 is a deficient number, since it is larger than the sum of its proper divisors (1).

254500993 is an equidigital number, since it uses as much as digits as its factorization.

254500993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48600, while the sum is 37.

The square root of 254500993 is about 15953.0872560768. The cubic root of 254500993 is about 633.7186578236.

The spelling of 254500993 in words is "two hundred fifty-four million, five hundred thousand, nine hundred ninety-three".