254172013 has 2 divisors, whose sum is σ = 254172014. Its totient is φ = 254172012.

The previous prime is 254171989. The next prime is 254172029. The reversal of 254172013 is 310271452.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 254147364 + 24649 = 15942^2 + 157^2 .

It is a cyclic number.

It is not a de Polignac number, because 254172013 - 2²⁵ = 220617581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (254172053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127086006 + 127086007.

It is an arithmetic number, because the mean of its divisors is an integer number (127086007).

Almost surely, 2^254172013 is an apocalyptic number.

It is an amenable number.

254172013 is a deficient number, since it is larger than the sum of its proper divisors (1).

254172013 is an equidigital number, since it uses as much as digits as its factorization.

254172013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 254172013 is about 15942.7730649345. The cubic root of 254172013 is about 633.4454818636.

The spelling of 254172013 in words is "two hundred fifty-four million, one hundred seventy-two thousand, thirteen".