254506513 has 2 divisors, whose sum is σ = 254506514. Its totient is φ = 254506512.

The previous prime is 254506493. The next prime is 254506537. The reversal of 254506513 is 315605452.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 197458704 + 57047809 = 14052^2 + 7553^2 .

It is a cyclic number.

It is not a de Polignac number, because 254506513 - 2²¹ = 252409361 is a prime.

It is not a weakly prime, because it can be changed into another prime (254506573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127253256 + 127253257.

It is an arithmetic number, because the mean of its divisors is an integer number (127253257).

Almost surely, 2^254506513 is an apocalyptic number.

It is an amenable number.

254506513 is a deficient number, since it is larger than the sum of its proper divisors (1).

254506513 is an equidigital number, since it uses as much as digits as its factorization.

254506513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 254506513 is about 15953.2602624040. The cubic root of 254506513 is about 633.7232394714.

The spelling of 254506513 in words is "two hundred fifty-four million, five hundred six thousand, five hundred thirteen".